Home / 12,626.46-17,421.69-7,248.58

Finding the Fourth Proportional to 12,626.46, 17,421.69 and 7,248.58

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Solution

The fourth proportional to 12,626.46, 17,421.69 and 7,248.58 is: 10,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.46 : 17,421.69 = 7,248.58 : x
  2. Step 2: Convert to fraction form
    12,626.46/17,421.69 = 7,248.58/x
  3. Step 3: Cross multiply
    12,626.46x = 17,421.69 × 7,248.58
  4. Step 4: Simplify right side
    12,626.46x = 126,282,513.70
  5. Step 5: Solve for x
    x = 126,282,513.70/12,626.46
  6. Step 6: Final answer
    x = 10,001.42

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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.