Home / 11,590.92-15,995.88-6,555.69

Finding the Fourth Proportional to 11,590.92, 15,995.88 and 6,555.69

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Solution

The fourth proportional to 11,590.92, 15,995.88 and 6,555.69 is: 9,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.92 : 15,995.88 = 6,555.69 : x
  2. Step 2: Convert to fraction form
    11,590.92/15,995.88 = 6,555.69/x
  3. Step 3: Cross multiply
    11,590.92x = 15,995.88 × 6,555.69
  4. Step 4: Simplify right side
    11,590.92x = 104,864,030.56
  5. Step 5: Solve for x
    x = 104,864,030.56/11,590.92
  6. Step 6: Final answer
    x = 9,047.08

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Half scale
Find fourth proportional to 23,181.84, 31,991.76 and 13,111.38
Double scale
Find fourth proportional to 11,591.92, 15,997.26 and 6,556.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.