Home / 12,247.60-16,901.48-6,658.56

Finding the Fourth Proportional to 12,247.60, 16,901.48 and 6,658.56

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Solution

The fourth proportional to 12,247.60, 16,901.48 and 6,658.56 is: 9,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.60 : 16,901.48 = 6,658.56 : x
  2. Step 2: Convert to fraction form
    12,247.60/16,901.48 = 6,658.56/x
  3. Step 3: Cross multiply
    12,247.60x = 16,901.48 × 6,658.56
  4. Step 4: Simplify right side
    12,247.60x = 112,539,518.67
  5. Step 5: Solve for x
    x = 112,539,518.67/12,247.60
  6. Step 6: Final answer
    x = 9,188.70

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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.