Home / 9,787.98-13,508.08-5,539.04

Finding the Fourth Proportional to 9,787.98, 13,508.08 and 5,539.04

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Solution

The fourth proportional to 9,787.98, 13,508.08 and 5,539.04 is: 7,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.98 : 13,508.08 = 5,539.04 : x
  2. Step 2: Convert to fraction form
    9,787.98/13,508.08 = 5,539.04/x
  3. Step 3: Cross multiply
    9,787.98x = 13,508.08 × 5,539.04
  4. Step 4: Simplify right side
    9,787.98x = 74,821,764.71
  5. Step 5: Solve for x
    x = 74,821,764.71/9,787.98
  6. Step 6: Final answer
    x = 7,644.25

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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.