Home / 12,237.48-16,878.90-7,524.36

Finding the Fourth Proportional to 12,237.48, 16,878.90 and 7,524.36

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Solution

The fourth proportional to 12,237.48, 16,878.90 and 7,524.36 is: 10,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.48 : 16,878.90 = 7,524.36 : x
  2. Step 2: Convert to fraction form
    12,237.48/16,878.90 = 7,524.36/x
  3. Step 3: Cross multiply
    12,237.48x = 16,878.90 × 7,524.36
  4. Step 4: Simplify right side
    12,237.48x = 127,002,920.00
  5. Step 5: Solve for x
    x = 127,002,920.00/12,237.48
  6. Step 6: Final answer
    x = 10,378.19

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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.