Home / 10,351.58-14,279.92-6,768.64

Finding the Fourth Proportional to 10,351.58, 14,279.92 and 6,768.64

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Solution

The fourth proportional to 10,351.58, 14,279.92 and 6,768.64 is: 9,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.58 : 14,279.92 = 6,768.64 : x
  2. Step 2: Convert to fraction form
    10,351.58/14,279.92 = 6,768.64/x
  3. Step 3: Cross multiply
    10,351.58x = 14,279.92 × 6,768.64
  4. Step 4: Simplify right side
    10,351.58x = 96,655,637.71
  5. Step 5: Solve for x
    x = 96,655,637.71/10,351.58
  6. Step 6: Final answer
    x = 9,337.29

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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.