Home / 10,088.18-15,131.15-2,693.28

Finding the Fourth Proportional to 10,088.18, 15,131.15 and 2,693.28

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Solution

The fourth proportional to 10,088.18, 15,131.15 and 2,693.28 is: 4,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.18 : 15,131.15 = 2,693.28 : x
  2. Step 2: Convert to fraction form
    10,088.18/15,131.15 = 2,693.28/x
  3. Step 3: Cross multiply
    10,088.18x = 15,131.15 × 2,693.28
  4. Step 4: Simplify right side
    10,088.18x = 40,752,492.20
  5. Step 5: Solve for x
    x = 40,752,492.20/10,088.18
  6. Step 6: Final answer
    x = 4,039.63

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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.