Home / 12,460.32-17,195.76-6,871.68

Finding the Fourth Proportional to 12,460.32, 17,195.76 and 6,871.68

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Solution

The fourth proportional to 12,460.32, 17,195.76 and 6,871.68 is: 9,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.32 : 17,195.76 = 6,871.68 : x
  2. Step 2: Convert to fraction form
    12,460.32/17,195.76 = 6,871.68/x
  3. Step 3: Cross multiply
    12,460.32x = 17,195.76 × 6,871.68
  4. Step 4: Simplify right side
    12,460.32x = 118,163,760.08
  5. Step 5: Solve for x
    x = 118,163,760.08/12,460.32
  6. Step 6: Final answer
    x = 9,483.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.