Home / 7,458.02-10,286.64-6,337.18

Finding the Fourth Proportional to 7,458.02, 10,286.64 and 6,337.18

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Solution

The fourth proportional to 7,458.02, 10,286.64 and 6,337.18 is: 8,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.02 : 10,286.64 = 6,337.18 : x
  2. Step 2: Convert to fraction form
    7,458.02/10,286.64 = 6,337.18/x
  3. Step 3: Cross multiply
    7,458.02x = 10,286.64 × 6,337.18
  4. Step 4: Simplify right side
    7,458.02x = 65,188,289.28
  5. Step 5: Solve for x
    x = 65,188,289.28/7,458.02
  6. Step 6: Final answer
    x = 8,740.70

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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.