Home / 11,117.51-15,341.60-6,080.75

Finding the Fourth Proportional to 11,117.51, 15,341.60 and 6,080.75

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Solution

The fourth proportional to 11,117.51, 15,341.60 and 6,080.75 is: 8,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.51 : 15,341.60 = 6,080.75 : x
  2. Step 2: Convert to fraction form
    11,117.51/15,341.60 = 6,080.75/x
  3. Step 3: Cross multiply
    11,117.51x = 15,341.60 × 6,080.75
  4. Step 4: Simplify right side
    11,117.51x = 93,288,442.15
  5. Step 5: Solve for x
    x = 93,288,442.15/11,117.51
  6. Step 6: Final answer
    x = 8,391.13

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Half scale
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Double scale
Find fourth proportional to 11,118.51, 15,342.97 and 6,081.75
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.