Home / 12,265.48-16,924.96-6,887.20

Finding the Fourth Proportional to 12,265.48, 16,924.96 and 6,887.20

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Solution

The fourth proportional to 12,265.48, 16,924.96 and 6,887.20 is: 9,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.48 : 16,924.96 = 6,887.20 : x
  2. Step 2: Convert to fraction form
    12,265.48/16,924.96 = 6,887.20/x
  3. Step 3: Cross multiply
    12,265.48x = 16,924.96 × 6,887.20
  4. Step 4: Simplify right side
    12,265.48x = 116,565,639.83
  5. Step 5: Solve for x
    x = 116,565,639.83/12,265.48
  6. Step 6: Final answer
    x = 9,503.56

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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.