Home / 7,423.76-11,176.70-6,145.04

Finding the Fourth Proportional to 7,423.76, 11,176.70 and 6,145.04

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Solution

The fourth proportional to 7,423.76, 11,176.70 and 6,145.04 is: 9,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.76 : 11,176.70 = 6,145.04 : x
  2. Step 2: Convert to fraction form
    7,423.76/11,176.70 = 6,145.04/x
  3. Step 3: Cross multiply
    7,423.76x = 11,176.70 × 6,145.04
  4. Step 4: Simplify right side
    7,423.76x = 68,681,268.57
  5. Step 5: Solve for x
    x = 68,681,268.57/7,423.76
  6. Step 6: Final answer
    x = 9,251.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.