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Finding the Fourth Proportional to 10,963.68, 15,119.12 and 10,053.03

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Solution

The fourth proportional to 10,963.68, 15,119.12 and 10,053.03 is: 13,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.68 : 15,119.12 = 10,053.03 : x
  2. Step 2: Convert to fraction form
    10,963.68/15,119.12 = 10,053.03/x
  3. Step 3: Cross multiply
    10,963.68x = 15,119.12 × 10,053.03
  4. Step 4: Simplify right side
    10,963.68x = 151,992,966.93
  5. Step 5: Solve for x
    x = 151,992,966.93/10,963.68
  6. Step 6: Final answer
    x = 13,863.32

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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.