Home / 10,618.02-15,929.09-5,693.18

Finding the Fourth Proportional to 10,618.02, 15,929.09 and 5,693.18

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Solution

The fourth proportional to 10,618.02, 15,929.09 and 5,693.18 is: 8,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.02 : 15,929.09 = 5,693.18 : x
  2. Step 2: Convert to fraction form
    10,618.02/15,929.09 = 5,693.18/x
  3. Step 3: Cross multiply
    10,618.02x = 15,929.09 × 5,693.18
  4. Step 4: Simplify right side
    10,618.02x = 90,687,068.49
  5. Step 5: Solve for x
    x = 90,687,068.49/10,618.02
  6. Step 6: Final answer
    x = 8,540.86

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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.