Home / 7,454.72-10,281.51-6,556.56

Finding the Fourth Proportional to 7,454.72, 10,281.51 and 6,556.56

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Solution

The fourth proportional to 7,454.72, 10,281.51 and 6,556.56 is: 9,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.72 : 10,281.51 = 6,556.56 : x
  2. Step 2: Convert to fraction form
    7,454.72/10,281.51 = 6,556.56/x
  3. Step 3: Cross multiply
    7,454.72x = 10,281.51 × 6,556.56
  4. Step 4: Simplify right side
    7,454.72x = 67,411,337.21
  5. Step 5: Solve for x
    x = 67,411,337.21/7,454.72
  6. Step 6: Final answer
    x = 9,042.78

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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.