Home / 10,186.48-15,252.28-6,667.76

Finding the Fourth Proportional to 10,186.48, 15,252.28 and 6,667.76

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Solution

The fourth proportional to 10,186.48, 15,252.28 and 6,667.76 is: 9,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.48 : 15,252.28 = 6,667.76 : x
  2. Step 2: Convert to fraction form
    10,186.48/15,252.28 = 6,667.76/x
  3. Step 3: Cross multiply
    10,186.48x = 15,252.28 × 6,667.76
  4. Step 4: Simplify right side
    10,186.48x = 101,698,542.49
  5. Step 5: Solve for x
    x = 101,698,542.49/10,186.48
  6. Step 6: Final answer
    x = 9,983.68

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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.