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Finding the Fourth Proportional to 9,337.87, 12,883.51 and 5,559.14

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Solution

The fourth proportional to 9,337.87, 12,883.51 and 5,559.14 is: 7,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.87 : 12,883.51 = 5,559.14 : x
  2. Step 2: Convert to fraction form
    9,337.87/12,883.51 = 5,559.14/x
  3. Step 3: Cross multiply
    9,337.87x = 12,883.51 × 5,559.14
  4. Step 4: Simplify right side
    9,337.87x = 71,621,254.09
  5. Step 5: Solve for x
    x = 71,621,254.09/9,337.87
  6. Step 6: Final answer
    x = 7,669.98

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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.