Home / 10,275.30-15,408.36-3,253.32

Finding the Fourth Proportional to 10,275.30, 15,408.36 and 3,253.32

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Solution

The fourth proportional to 10,275.30, 15,408.36 and 3,253.32 is: 4,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.30 : 15,408.36 = 3,253.32 : x
  2. Step 2: Convert to fraction form
    10,275.30/15,408.36 = 3,253.32/x
  3. Step 3: Cross multiply
    10,275.30x = 15,408.36 × 3,253.32
  4. Step 4: Simplify right side
    10,275.30x = 50,128,325.76
  5. Step 5: Solve for x
    x = 50,128,325.76/10,275.30
  6. Step 6: Final answer
    x = 4,878.53

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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.