Home / 12,470.16-17,281.63-12,233.61

Finding the Fourth Proportional to 12,470.16, 17,281.63 and 12,233.61

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Solution

The fourth proportional to 12,470.16, 17,281.63 and 12,233.61 is: 16,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.16 : 17,281.63 = 12,233.61 : x
  2. Step 2: Convert to fraction form
    12,470.16/17,281.63 = 12,233.61/x
  3. Step 3: Cross multiply
    12,470.16x = 17,281.63 × 12,233.61
  4. Step 4: Simplify right side
    12,470.16x = 211,416,721.58
  5. Step 5: Solve for x
    x = 211,416,721.58/12,470.16
  6. Step 6: Final answer
    x = 16,953.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.