Home / 12,537.46-17,289.76-7,500.86

Finding the Fourth Proportional to 12,537.46, 17,289.76 and 7,500.86

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Solution

The fourth proportional to 12,537.46, 17,289.76 and 7,500.86 is: 10,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.46 : 17,289.76 = 7,500.86 : x
  2. Step 2: Convert to fraction form
    12,537.46/17,289.76 = 7,500.86/x
  3. Step 3: Cross multiply
    12,537.46x = 17,289.76 × 7,500.86
  4. Step 4: Simplify right side
    12,537.46x = 129,688,069.19
  5. Step 5: Solve for x
    x = 129,688,069.19/12,537.46
  6. Step 6: Final answer
    x = 10,344.05

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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.