Home / 12,550.61-17,318.93-6,885.33

Finding the Fourth Proportional to 12,550.61, 17,318.93 and 6,885.33

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Solution

The fourth proportional to 12,550.61, 17,318.93 and 6,885.33 is: 9,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.61 : 17,318.93 = 6,885.33 : x
  2. Step 2: Convert to fraction form
    12,550.61/17,318.93 = 6,885.33/x
  3. Step 3: Cross multiply
    12,550.61x = 17,318.93 × 6,885.33
  4. Step 4: Simplify right side
    12,550.61x = 119,246,513.87
  5. Step 5: Solve for x
    x = 119,246,513.87/12,550.61
  6. Step 6: Final answer
    x = 9,501.26

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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.