Home / 9,438.60-14,158.14-5,276.28

Finding the Fourth Proportional to 9,438.60, 14,158.14 and 5,276.28

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Solution

The fourth proportional to 9,438.60, 14,158.14 and 5,276.28 is: 7,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.60 : 14,158.14 = 5,276.28 : x
  2. Step 2: Convert to fraction form
    9,438.60/14,158.14 = 5,276.28/x
  3. Step 3: Cross multiply
    9,438.60x = 14,158.14 × 5,276.28
  4. Step 4: Simplify right side
    9,438.60x = 74,702,310.92
  5. Step 5: Solve for x
    x = 74,702,310.92/9,438.60
  6. Step 6: Final answer
    x = 7,914.55

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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.