Home / 12,175.47-18,263.90-3,411.07

Finding the Fourth Proportional to 12,175.47, 18,263.90 and 3,411.07

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Solution

The fourth proportional to 12,175.47, 18,263.90 and 3,411.07 is: 5,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.47 : 18,263.90 = 3,411.07 : x
  2. Step 2: Convert to fraction form
    12,175.47/18,263.90 = 3,411.07/x
  3. Step 3: Cross multiply
    12,175.47x = 18,263.90 × 3,411.07
  4. Step 4: Simplify right side
    12,175.47x = 62,299,394.65
  5. Step 5: Solve for x
    x = 62,299,394.65/12,175.47
  6. Step 6: Final answer
    x = 5,116.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.