Home / 12,455.04-17,177.76-9,094.08

Finding the Fourth Proportional to 12,455.04, 17,177.76 and 9,094.08

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Solution

The fourth proportional to 12,455.04, 17,177.76 and 9,094.08 is: 12,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.04 : 17,177.76 = 9,094.08 : x
  2. Step 2: Convert to fraction form
    12,455.04/17,177.76 = 9,094.08/x
  3. Step 3: Cross multiply
    12,455.04x = 17,177.76 × 9,094.08
  4. Step 4: Simplify right side
    12,455.04x = 156,215,923.66
  5. Step 5: Solve for x
    x = 156,215,923.66/12,455.04
  6. Step 6: Final answer
    x = 12,542.39

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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.