Home / 10,316.80-15,475.20-7,364.35

Finding the Fourth Proportional to 10,316.80, 15,475.20 and 7,364.35

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Solution

The fourth proportional to 10,316.80, 15,475.20 and 7,364.35 is: 11,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.80 : 15,475.20 = 7,364.35 : x
  2. Step 2: Convert to fraction form
    10,316.80/15,475.20 = 7,364.35/x
  3. Step 3: Cross multiply
    10,316.80x = 15,475.20 × 7,364.35
  4. Step 4: Simplify right side
    10,316.80x = 113,964,789.12
  5. Step 5: Solve for x
    x = 113,964,789.12/10,316.80
  6. Step 6: Final answer
    x = 11,046.53

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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.