Home / 10,225.68-15,315.30-9,043.44

Finding the Fourth Proportional to 10,225.68, 15,315.30 and 9,043.44

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Solution

The fourth proportional to 10,225.68, 15,315.30 and 9,043.44 is: 13,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.68 : 15,315.30 = 9,043.44 : x
  2. Step 2: Convert to fraction form
    10,225.68/15,315.30 = 9,043.44/x
  3. Step 3: Cross multiply
    10,225.68x = 15,315.30 × 9,043.44
  4. Step 4: Simplify right side
    10,225.68x = 138,502,996.63
  5. Step 5: Solve for x
    x = 138,502,996.63/10,225.68
  6. Step 6: Final answer
    x = 13,544.62

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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.