Home / 7,869.52-10,860.24-4,333.12

Finding the Fourth Proportional to 7,869.52, 10,860.24 and 4,333.12

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Solution

The fourth proportional to 7,869.52, 10,860.24 and 4,333.12 is: 5,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.52 : 10,860.24 = 4,333.12 : x
  2. Step 2: Convert to fraction form
    7,869.52/10,860.24 = 4,333.12/x
  3. Step 3: Cross multiply
    7,869.52x = 10,860.24 × 4,333.12
  4. Step 4: Simplify right side
    7,869.52x = 47,058,723.15
  5. Step 5: Solve for x
    x = 47,058,723.15/7,869.52
  6. Step 6: Final answer
    x = 5,979.87

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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.