Home / 8,711.30-13,055.19-4,752.83

Finding the Fourth Proportional to 8,711.30, 13,055.19 and 4,752.83

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Solution

The fourth proportional to 8,711.30, 13,055.19 and 4,752.83 is: 7,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.30 : 13,055.19 = 4,752.83 : x
  2. Step 2: Convert to fraction form
    8,711.30/13,055.19 = 4,752.83/x
  3. Step 3: Cross multiply
    8,711.30x = 13,055.19 × 4,752.83
  4. Step 4: Simplify right side
    8,711.30x = 62,049,033.41
  5. Step 5: Solve for x
    x = 62,049,033.41/8,711.30
  6. Step 6: Final answer
    x = 7,122.83

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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.