Home / 10,289.30-15,432.71-4,367.03

Finding the Fourth Proportional to 10,289.30, 15,432.71 and 4,367.03

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Solution

The fourth proportional to 10,289.30, 15,432.71 and 4,367.03 is: 6,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.30 : 15,432.71 = 4,367.03 : x
  2. Step 2: Convert to fraction form
    10,289.30/15,432.71 = 4,367.03/x
  3. Step 3: Cross multiply
    10,289.30x = 15,432.71 × 4,367.03
  4. Step 4: Simplify right side
    10,289.30x = 67,395,008.55
  5. Step 5: Solve for x
    x = 67,395,008.55/10,289.30
  6. Step 6: Final answer
    x = 6,550.01

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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.