Home / 10,959.06-15,123.69-6,243.42

Finding the Fourth Proportional to 10,959.06, 15,123.69 and 6,243.42

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Solution

The fourth proportional to 10,959.06, 15,123.69 and 6,243.42 is: 8,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.06 : 15,123.69 = 6,243.42 : x
  2. Step 2: Convert to fraction form
    10,959.06/15,123.69 = 6,243.42/x
  3. Step 3: Cross multiply
    10,959.06x = 15,123.69 × 6,243.42
  4. Step 4: Simplify right side
    10,959.06x = 94,423,548.62
  5. Step 5: Solve for x
    x = 94,423,548.62/10,959.06
  6. Step 6: Final answer
    x = 8,616.03

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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.