Home / 11,178.52-15,425.44-6,463.08

Finding the Fourth Proportional to 11,178.52, 15,425.44 and 6,463.08

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Solution

The fourth proportional to 11,178.52, 15,425.44 and 6,463.08 is: 8,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.52 : 15,425.44 = 6,463.08 : x
  2. Step 2: Convert to fraction form
    11,178.52/15,425.44 = 6,463.08/x
  3. Step 3: Cross multiply
    11,178.52x = 15,425.44 × 6,463.08
  4. Step 4: Simplify right side
    11,178.52x = 99,695,852.76
  5. Step 5: Solve for x
    x = 99,695,852.76/11,178.52
  6. Step 6: Final answer
    x = 8,918.52

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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.