Home / 11,254.13-15,530.64-6,218.70

Finding the Fourth Proportional to 11,254.13, 15,530.64 and 6,218.70

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Solution

The fourth proportional to 11,254.13, 15,530.64 and 6,218.70 is: 8,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.13 : 15,530.64 = 6,218.70 : x
  2. Step 2: Convert to fraction form
    11,254.13/15,530.64 = 6,218.70/x
  3. Step 3: Cross multiply
    11,254.13x = 15,530.64 × 6,218.70
  4. Step 4: Simplify right side
    11,254.13x = 96,580,352.14
  5. Step 5: Solve for x
    x = 96,580,352.14/11,254.13
  6. Step 6: Final answer
    x = 8,581.77

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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.