Home / 10,301.68-15,451.80-5,905.36

Finding the Fourth Proportional to 10,301.68, 15,451.80 and 5,905.36

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Solution

The fourth proportional to 10,301.68, 15,451.80 and 5,905.36 is: 8,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.68 : 15,451.80 = 5,905.36 : x
  2. Step 2: Convert to fraction form
    10,301.68/15,451.80 = 5,905.36/x
  3. Step 3: Cross multiply
    10,301.68x = 15,451.80 × 5,905.36
  4. Step 4: Simplify right side
    10,301.68x = 91,248,441.65
  5. Step 5: Solve for x
    x = 91,248,441.65/10,301.68
  6. Step 6: Final answer
    x = 8,857.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.