Home / 10,275.68-15,438.88-6,579.52

Finding the Fourth Proportional to 10,275.68, 15,438.88 and 6,579.52

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Solution

The fourth proportional to 10,275.68, 15,438.88 and 6,579.52 is: 9,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.68 : 15,438.88 = 6,579.52 : x
  2. Step 2: Convert to fraction form
    10,275.68/15,438.88 = 6,579.52/x
  3. Step 3: Cross multiply
    10,275.68x = 15,438.88 × 6,579.52
  4. Step 4: Simplify right side
    10,275.68x = 101,580,419.74
  5. Step 5: Solve for x
    x = 101,580,419.74/10,275.68
  6. Step 6: Final answer
    x = 9,885.52

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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.