Home / 9,140.18-13,711.31-4,456.84

Finding the Fourth Proportional to 9,140.18, 13,711.31 and 4,456.84

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Solution

The fourth proportional to 9,140.18, 13,711.31 and 4,456.84 is: 6,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.18 : 13,711.31 = 4,456.84 : x
  2. Step 2: Convert to fraction form
    9,140.18/13,711.31 = 4,456.84/x
  3. Step 3: Cross multiply
    9,140.18x = 13,711.31 × 4,456.84
  4. Step 4: Simplify right side
    9,140.18x = 61,109,114.86
  5. Step 5: Solve for x
    x = 61,109,114.86/9,140.18
  6. Step 6: Final answer
    x = 6,685.77

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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.