Home / 12,559.16-17,331.71-6,894.15

Finding the Fourth Proportional to 12,559.16, 17,331.71 and 6,894.15

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Solution

The fourth proportional to 12,559.16, 17,331.71 and 6,894.15 is: 9,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.16 : 17,331.71 = 6,894.15 : x
  2. Step 2: Convert to fraction form
    12,559.16/17,331.71 = 6,894.15/x
  3. Step 3: Cross multiply
    12,559.16x = 17,331.71 × 6,894.15
  4. Step 4: Simplify right side
    12,559.16x = 119,487,309.03
  5. Step 5: Solve for x
    x = 119,487,309.03/12,559.16
  6. Step 6: Final answer
    x = 9,513.96

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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.