Home / 12,587.39-17,370.23-6,922.13

Finding the Fourth Proportional to 12,587.39, 17,370.23 and 6,922.13

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Solution

The fourth proportional to 12,587.39, 17,370.23 and 6,922.13 is: 9,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.39 : 17,370.23 = 6,922.13 : x
  2. Step 2: Convert to fraction form
    12,587.39/17,370.23 = 6,922.13/x
  3. Step 3: Cross multiply
    12,587.39x = 17,370.23 × 6,922.13
  4. Step 4: Simplify right side
    12,587.39x = 120,238,999.00
  5. Step 5: Solve for x
    x = 120,238,999.00/12,587.39
  6. Step 6: Final answer
    x = 9,552.34

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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.