Home / 10,534.16-15,684.24-10,387.03

Finding the Fourth Proportional to 10,534.16, 15,684.24 and 10,387.03

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Solution

The fourth proportional to 10,534.16, 15,684.24 and 10,387.03 is: 15,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.16 : 15,684.24 = 10,387.03 : x
  2. Step 2: Convert to fraction form
    10,534.16/15,684.24 = 10,387.03/x
  3. Step 3: Cross multiply
    10,534.16x = 15,684.24 × 10,387.03
  4. Step 4: Simplify right side
    10,534.16x = 162,912,693.40
  5. Step 5: Solve for x
    x = 162,912,693.40/10,534.16
  6. Step 6: Final answer
    x = 15,465.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.