Home / 10,432.80-15,650.74-3,036.30

Finding the Fourth Proportional to 10,432.80, 15,650.74 and 3,036.30

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Solution

The fourth proportional to 10,432.80, 15,650.74 and 3,036.30 is: 4,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.80 : 15,650.74 = 3,036.30 : x
  2. Step 2: Convert to fraction form
    10,432.80/15,650.74 = 3,036.30/x
  3. Step 3: Cross multiply
    10,432.80x = 15,650.74 × 3,036.30
  4. Step 4: Simplify right side
    10,432.80x = 47,520,341.86
  5. Step 5: Solve for x
    x = 47,520,341.86/10,432.80
  6. Step 6: Final answer
    x = 4,554.90

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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.