Home / 12,341.76-17,031.68-6,753.28

Finding the Fourth Proportional to 12,341.76, 17,031.68 and 6,753.28

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Solution

The fourth proportional to 12,341.76, 17,031.68 and 6,753.28 is: 9,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.76 : 17,031.68 = 6,753.28 : x
  2. Step 2: Convert to fraction form
    12,341.76/17,031.68 = 6,753.28/x
  3. Step 3: Cross multiply
    12,341.76x = 17,031.68 × 6,753.28
  4. Step 4: Simplify right side
    12,341.76x = 115,019,703.91
  5. Step 5: Solve for x
    x = 115,019,703.91/12,341.76
  6. Step 6: Final answer
    x = 9,319.55

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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.