Home / 11,001.10-16,501.65-10,612.30

Finding the Fourth Proportional to 11,001.10, 16,501.65 and 10,612.30

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Solution

The fourth proportional to 11,001.10, 16,501.65 and 10,612.30 is: 15,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.10 : 16,501.65 = 10,612.30 : x
  2. Step 2: Convert to fraction form
    11,001.10/16,501.65 = 10,612.30/x
  3. Step 3: Cross multiply
    11,001.10x = 16,501.65 × 10,612.30
  4. Step 4: Simplify right side
    11,001.10x = 175,120,460.30
  5. Step 5: Solve for x
    x = 175,120,460.30/11,001.10
  6. Step 6: Final answer
    x = 15,918.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.