Home / 10,100.38-15,127.06-9,750.06

Finding the Fourth Proportional to 10,100.38, 15,127.06 and 9,750.06

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Solution

The fourth proportional to 10,100.38, 15,127.06 and 9,750.06 is: 14,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.38 : 15,127.06 = 9,750.06 : x
  2. Step 2: Convert to fraction form
    10,100.38/15,127.06 = 9,750.06/x
  3. Step 3: Cross multiply
    10,100.38x = 15,127.06 × 9,750.06
  4. Step 4: Simplify right side
    10,100.38x = 147,489,742.62
  5. Step 5: Solve for x
    x = 147,489,742.62/10,100.38
  6. Step 6: Final answer
    x = 14,602.40

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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.