Home / 11,554.25-15,945.28-6,518.18

Finding the Fourth Proportional to 11,554.25, 15,945.28 and 6,518.18

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Solution

The fourth proportional to 11,554.25, 15,945.28 and 6,518.18 is: 8,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.25 : 15,945.28 = 6,518.18 : x
  2. Step 2: Convert to fraction form
    11,554.25/15,945.28 = 6,518.18/x
  3. Step 3: Cross multiply
    11,554.25x = 15,945.28 × 6,518.18
  4. Step 4: Simplify right side
    11,554.25x = 103,934,228.76
  5. Step 5: Solve for x
    x = 103,934,228.76/11,554.25
  6. Step 6: Final answer
    x = 8,995.32

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Double scale
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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.