Home / 10,580.47-15,732.23-10,137.58

Finding the Fourth Proportional to 10,580.47, 15,732.23 and 10,137.58

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Solution

The fourth proportional to 10,580.47, 15,732.23 and 10,137.58 is: 15,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.47 : 15,732.23 = 10,137.58 : x
  2. Step 2: Convert to fraction form
    10,580.47/15,732.23 = 10,137.58/x
  3. Step 3: Cross multiply
    10,580.47x = 15,732.23 × 10,137.58
  4. Step 4: Simplify right side
    10,580.47x = 159,486,740.20
  5. Step 5: Solve for x
    x = 159,486,740.20/10,580.47
  6. Step 6: Final answer
    x = 15,073.69

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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.