Home / 11,060.40-16,590.60-9,966.90

Finding the Fourth Proportional to 11,060.40, 16,590.60 and 9,966.90

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Solution

The fourth proportional to 11,060.40, 16,590.60 and 9,966.90 is: 14,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.40 : 16,590.60 = 9,966.90 : x
  2. Step 2: Convert to fraction form
    11,060.40/16,590.60 = 9,966.90/x
  3. Step 3: Cross multiply
    11,060.40x = 16,590.60 × 9,966.90
  4. Step 4: Simplify right side
    11,060.40x = 165,356,851.14
  5. Step 5: Solve for x
    x = 165,356,851.14/11,060.40
  6. Step 6: Final answer
    x = 14,950.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.