Home / 7,309.68-10,086.76-4,475.86

Finding the Fourth Proportional to 7,309.68, 10,086.76 and 4,475.86

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Solution

The fourth proportional to 7,309.68, 10,086.76 and 4,475.86 is: 6,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.68 : 10,086.76 = 4,475.86 : x
  2. Step 2: Convert to fraction form
    7,309.68/10,086.76 = 4,475.86/x
  3. Step 3: Cross multiply
    7,309.68x = 10,086.76 × 4,475.86
  4. Step 4: Simplify right side
    7,309.68x = 45,146,925.61
  5. Step 5: Solve for x
    x = 45,146,925.61/7,309.68
  6. Step 6: Final answer
    x = 6,176.32

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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.