Home / 11,868.57-16,377.18-6,562.68

Finding the Fourth Proportional to 11,868.57, 16,377.18 and 6,562.68

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Solution

The fourth proportional to 11,868.57, 16,377.18 and 6,562.68 is: 9,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.57 : 16,377.18 = 6,562.68 : x
  2. Step 2: Convert to fraction form
    11,868.57/16,377.18 = 6,562.68/x
  3. Step 3: Cross multiply
    11,868.57x = 16,377.18 × 6,562.68
  4. Step 4: Simplify right side
    11,868.57x = 107,478,191.64
  5. Step 5: Solve for x
    x = 107,478,191.64/11,868.57
  6. Step 6: Final answer
    x = 9,055.70

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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.