Home / 10,315.24-15,475.10-3,297.40

Finding the Fourth Proportional to 10,315.24, 15,475.10 and 3,297.40

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Solution

The fourth proportional to 10,315.24, 15,475.10 and 3,297.40 is: 4,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.24 : 15,475.10 = 3,297.40 : x
  2. Step 2: Convert to fraction form
    10,315.24/15,475.10 = 3,297.40/x
  3. Step 3: Cross multiply
    10,315.24x = 15,475.10 × 3,297.40
  4. Step 4: Simplify right side
    10,315.24x = 51,027,594.74
  5. Step 5: Solve for x
    x = 51,027,594.74/10,315.24
  6. Step 6: Final answer
    x = 4,946.82

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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.