Home / 12,567.21-17,341.52-7,261.91

Finding the Fourth Proportional to 12,567.21, 17,341.52 and 7,261.91

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Solution

The fourth proportional to 12,567.21, 17,341.52 and 7,261.91 is: 10,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.21 : 17,341.52 = 7,261.91 : x
  2. Step 2: Convert to fraction form
    12,567.21/17,341.52 = 7,261.91/x
  3. Step 3: Cross multiply
    12,567.21x = 17,341.52 × 7,261.91
  4. Step 4: Simplify right side
    12,567.21x = 125,932,557.50
  5. Step 5: Solve for x
    x = 125,932,557.50/12,567.21
  6. Step 6: Final answer
    x = 10,020.73

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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.