Home / 11,648.49-17,459.55-5,712.63

Finding the Fourth Proportional to 11,648.49, 17,459.55 and 5,712.63

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Solution

The fourth proportional to 11,648.49, 17,459.55 and 5,712.63 is: 8,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.49 : 17,459.55 = 5,712.63 : x
  2. Step 2: Convert to fraction form
    11,648.49/17,459.55 = 5,712.63/x
  3. Step 3: Cross multiply
    11,648.49x = 17,459.55 × 5,712.63
  4. Step 4: Simplify right side
    11,648.49x = 99,739,949.12
  5. Step 5: Solve for x
    x = 99,739,949.12/11,648.49
  6. Step 6: Final answer
    x = 8,562.48

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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.