Home / 10,191.86-15,288.60-4,348.52

Finding the Fourth Proportional to 10,191.86, 15,288.60 and 4,348.52

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Solution

The fourth proportional to 10,191.86, 15,288.60 and 4,348.52 is: 6,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.86 : 15,288.60 = 4,348.52 : x
  2. Step 2: Convert to fraction form
    10,191.86/15,288.60 = 4,348.52/x
  3. Step 3: Cross multiply
    10,191.86x = 15,288.60 × 4,348.52
  4. Step 4: Simplify right side
    10,191.86x = 66,482,782.87
  5. Step 5: Solve for x
    x = 66,482,782.87/10,191.86
  6. Step 6: Final answer
    x = 6,523.13

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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.