Home / 12,531.83-17,293.18-6,865.45

Finding the Fourth Proportional to 12,531.83, 17,293.18 and 6,865.45

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Solution

The fourth proportional to 12,531.83, 17,293.18 and 6,865.45 is: 9,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.83 : 17,293.18 = 6,865.45 : x
  2. Step 2: Convert to fraction form
    12,531.83/17,293.18 = 6,865.45/x
  3. Step 3: Cross multiply
    12,531.83x = 17,293.18 × 6,865.45
  4. Step 4: Simplify right side
    12,531.83x = 118,725,462.63
  5. Step 5: Solve for x
    x = 118,725,462.63/12,531.83
  6. Step 6: Final answer
    x = 9,473.91

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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.