Home / 8,875.80-12,248.31-4,896.92

Finding the Fourth Proportional to 8,875.80, 12,248.31 and 4,896.92

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Solution

The fourth proportional to 8,875.80, 12,248.31 and 4,896.92 is: 6,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.80 : 12,248.31 = 4,896.92 : x
  2. Step 2: Convert to fraction form
    8,875.80/12,248.31 = 4,896.92/x
  3. Step 3: Cross multiply
    8,875.80x = 12,248.31 × 4,896.92
  4. Step 4: Simplify right side
    8,875.80x = 59,978,937.27
  5. Step 5: Solve for x
    x = 59,978,937.27/8,875.80
  6. Step 6: Final answer
    x = 6,757.58

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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.