Home / 8,553.12-11,809.98-6,560.52

Finding the Fourth Proportional to 8,553.12, 11,809.98 and 6,560.52

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Solution

The fourth proportional to 8,553.12, 11,809.98 and 6,560.52 is: 9,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.12 : 11,809.98 = 6,560.52 : x
  2. Step 2: Convert to fraction form
    8,553.12/11,809.98 = 6,560.52/x
  3. Step 3: Cross multiply
    8,553.12x = 11,809.98 × 6,560.52
  4. Step 4: Simplify right side
    8,553.12x = 77,479,609.99
  5. Step 5: Solve for x
    x = 77,479,609.99/8,553.12
  6. Step 6: Final answer
    x = 9,058.64

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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.