Home / 12,565.24-17,338.74-7,261.76

Finding the Fourth Proportional to 12,565.24, 17,338.74 and 7,261.76

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Solution

The fourth proportional to 12,565.24, 17,338.74 and 7,261.76 is: 10,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.24 : 17,338.74 = 7,261.76 : x
  2. Step 2: Convert to fraction form
    12,565.24/17,338.74 = 7,261.76/x
  3. Step 3: Cross multiply
    12,565.24x = 17,338.74 × 7,261.76
  4. Step 4: Simplify right side
    12,565.24x = 125,909,768.58
  5. Step 5: Solve for x
    x = 125,909,768.58/12,565.24
  6. Step 6: Final answer
    x = 10,020.48

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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.