Home / 8,562.47-11,815.02-4,785.16

Finding the Fourth Proportional to 8,562.47, 11,815.02 and 4,785.16

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Solution

The fourth proportional to 8,562.47, 11,815.02 and 4,785.16 is: 6,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.47 : 11,815.02 = 4,785.16 : x
  2. Step 2: Convert to fraction form
    8,562.47/11,815.02 = 4,785.16/x
  3. Step 3: Cross multiply
    8,562.47x = 11,815.02 × 4,785.16
  4. Step 4: Simplify right side
    8,562.47x = 56,536,761.10
  5. Step 5: Solve for x
    x = 56,536,761.10/8,562.47
  6. Step 6: Final answer
    x = 6,602.86

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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.