Home / 9,029.13-12,467.89-5,677.55

Finding the Fourth Proportional to 9,029.13, 12,467.89 and 5,677.55

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Solution

The fourth proportional to 9,029.13, 12,467.89 and 5,677.55 is: 7,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.13 : 12,467.89 = 5,677.55 : x
  2. Step 2: Convert to fraction form
    9,029.13/12,467.89 = 5,677.55/x
  3. Step 3: Cross multiply
    9,029.13x = 12,467.89 × 5,677.55
  4. Step 4: Simplify right side
    9,029.13x = 70,787,068.87
  5. Step 5: Solve for x
    x = 70,787,068.87/9,029.13
  6. Step 6: Final answer
    x = 7,839.85

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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.