Home / 8,654.18-11,943.16-4,877.50

Finding the Fourth Proportional to 8,654.18, 11,943.16 and 4,877.50

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Solution

The fourth proportional to 8,654.18, 11,943.16 and 4,877.50 is: 6,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.18 : 11,943.16 = 4,877.50 : x
  2. Step 2: Convert to fraction form
    8,654.18/11,943.16 = 4,877.50/x
  3. Step 3: Cross multiply
    8,654.18x = 11,943.16 × 4,877.50
  4. Step 4: Simplify right side
    8,654.18x = 58,252,762.90
  5. Step 5: Solve for x
    x = 58,252,762.90/8,654.18
  6. Step 6: Final answer
    x = 6,731.17

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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.