Home / 10,574.28-15,856.25-4,332.60

Finding the Fourth Proportional to 10,574.28, 15,856.25 and 4,332.60

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Solution

The fourth proportional to 10,574.28, 15,856.25 and 4,332.60 is: 6,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.28 : 15,856.25 = 4,332.60 : x
  2. Step 2: Convert to fraction form
    10,574.28/15,856.25 = 4,332.60/x
  3. Step 3: Cross multiply
    10,574.28x = 15,856.25 × 4,332.60
  4. Step 4: Simplify right side
    10,574.28x = 68,698,826.55
  5. Step 5: Solve for x
    x = 68,698,826.55/10,574.28
  6. Step 6: Final answer
    x = 6,496.78

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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.