Home / 10,895.89-15,036.06-6,359.44

Finding the Fourth Proportional to 10,895.89, 15,036.06 and 6,359.44

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Solution

The fourth proportional to 10,895.89, 15,036.06 and 6,359.44 is: 8,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.89 : 15,036.06 = 6,359.44 : x
  2. Step 2: Convert to fraction form
    10,895.89/15,036.06 = 6,359.44/x
  3. Step 3: Cross multiply
    10,895.89x = 15,036.06 × 6,359.44
  4. Step 4: Simplify right side
    10,895.89x = 95,620,921.41
  5. Step 5: Solve for x
    x = 95,620,921.41/10,895.89
  6. Step 6: Final answer
    x = 8,775.87

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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.