Home / 8,283.84-11,432.16-5,487.36

Finding the Fourth Proportional to 8,283.84, 11,432.16 and 5,487.36

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Solution

The fourth proportional to 8,283.84, 11,432.16 and 5,487.36 is: 7,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.84 : 11,432.16 = 5,487.36 : x
  2. Step 2: Convert to fraction form
    8,283.84/11,432.16 = 5,487.36/x
  3. Step 3: Cross multiply
    8,283.84x = 11,432.16 × 5,487.36
  4. Step 4: Simplify right side
    8,283.84x = 62,732,377.50
  5. Step 5: Solve for x
    x = 62,732,377.50/8,283.84
  6. Step 6: Final answer
    x = 7,572.86

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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.