Home / 8,475.26-11,688.46-6,355.55

Finding the Fourth Proportional to 8,475.26, 11,688.46 and 6,355.55

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Solution

The fourth proportional to 8,475.26, 11,688.46 and 6,355.55 is: 8,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.26 : 11,688.46 = 6,355.55 : x
  2. Step 2: Convert to fraction form
    8,475.26/11,688.46 = 6,355.55/x
  3. Step 3: Cross multiply
    8,475.26x = 11,688.46 × 6,355.55
  4. Step 4: Simplify right side
    8,475.26x = 74,286,605.29
  5. Step 5: Solve for x
    x = 74,286,605.29/8,475.26
  6. Step 6: Final answer
    x = 8,765.12

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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.