Home / 11,854.80-16,352.15-7,601.39

Finding the Fourth Proportional to 11,854.80, 16,352.15 and 7,601.39

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Solution

The fourth proportional to 11,854.80, 16,352.15 and 7,601.39 is: 10,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.80 : 16,352.15 = 7,601.39 : x
  2. Step 2: Convert to fraction form
    11,854.80/16,352.15 = 7,601.39/x
  3. Step 3: Cross multiply
    11,854.80x = 16,352.15 × 7,601.39
  4. Step 4: Simplify right side
    11,854.80x = 124,299,069.49
  5. Step 5: Solve for x
    x = 124,299,069.49/11,854.80
  6. Step 6: Final answer
    x = 10,485.13

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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.