Home / 9,172.93-13,759.39-8,705.46

Finding the Fourth Proportional to 9,172.93, 13,759.39 and 8,705.46

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Solution

The fourth proportional to 9,172.93, 13,759.39 and 8,705.46 is: 13,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.93 : 13,759.39 = 8,705.46 : x
  2. Step 2: Convert to fraction form
    9,172.93/13,759.39 = 8,705.46/x
  3. Step 3: Cross multiply
    9,172.93x = 13,759.39 × 8,705.46
  4. Step 4: Simplify right side
    9,172.93x = 119,781,819.27
  5. Step 5: Solve for x
    x = 119,781,819.27/9,172.93
  6. Step 6: Final answer
    x = 13,058.19

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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.