Home / 8,631.69-12,948.27-3,700.16

Finding the Fourth Proportional to 8,631.69, 12,948.27 and 3,700.16

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Solution

The fourth proportional to 8,631.69, 12,948.27 and 3,700.16 is: 5,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.69 : 12,948.27 = 3,700.16 : x
  2. Step 2: Convert to fraction form
    8,631.69/12,948.27 = 3,700.16/x
  3. Step 3: Cross multiply
    8,631.69x = 12,948.27 × 3,700.16
  4. Step 4: Simplify right side
    8,631.69x = 47,910,605.98
  5. Step 5: Solve for x
    x = 47,910,605.98/8,631.69
  6. Step 6: Final answer
    x = 5,550.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.