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Finding the Fourth Proportional to 11,559.98, 15,952.74 and 6,254.79

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Solution

The fourth proportional to 11,559.98, 15,952.74 and 6,254.79 is: 8,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.98 : 15,952.74 = 6,254.79 : x
  2. Step 2: Convert to fraction form
    11,559.98/15,952.74 = 6,254.79/x
  3. Step 3: Cross multiply
    11,559.98x = 15,952.74 × 6,254.79
  4. Step 4: Simplify right side
    11,559.98x = 99,781,038.62
  5. Step 5: Solve for x
    x = 99,781,038.62/11,559.98
  6. Step 6: Final answer
    x = 8,631.60

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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.