Home / 10,962.46-15,130.62-7,127.43

Finding the Fourth Proportional to 10,962.46, 15,130.62 and 7,127.43

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Solution

The fourth proportional to 10,962.46, 15,130.62 and 7,127.43 is: 9,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.46 : 15,130.62 = 7,127.43 : x
  2. Step 2: Convert to fraction form
    10,962.46/15,130.62 = 7,127.43/x
  3. Step 3: Cross multiply
    10,962.46x = 15,130.62 × 7,127.43
  4. Step 4: Simplify right side
    10,962.46x = 107,842,378.17
  5. Step 5: Solve for x
    x = 107,842,378.17/10,962.46
  6. Step 6: Final answer
    x = 9,837.42

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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.