Home / 7,475.76-10,310.49-6,577.56

Finding the Fourth Proportional to 7,475.76, 10,310.49 and 6,577.56

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Solution

The fourth proportional to 7,475.76, 10,310.49 and 6,577.56 is: 9,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.76 : 10,310.49 = 6,577.56 : x
  2. Step 2: Convert to fraction form
    7,475.76/10,310.49 = 6,577.56/x
  3. Step 3: Cross multiply
    7,475.76x = 10,310.49 × 6,577.56
  4. Step 4: Simplify right side
    7,475.76x = 67,817,866.60
  5. Step 5: Solve for x
    x = 67,817,866.60/7,475.76
  6. Step 6: Final answer
    x = 9,071.70

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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.