Home / 11,224.12-15,488.81-6,119.52

Finding the Fourth Proportional to 11,224.12, 15,488.81 and 6,119.52

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Solution

The fourth proportional to 11,224.12, 15,488.81 and 6,119.52 is: 8,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.12 : 15,488.81 = 6,119.52 : x
  2. Step 2: Convert to fraction form
    11,224.12/15,488.81 = 6,119.52/x
  3. Step 3: Cross multiply
    11,224.12x = 15,488.81 × 6,119.52
  4. Step 4: Simplify right side
    11,224.12x = 94,784,051.97
  5. Step 5: Solve for x
    x = 94,784,051.97/11,224.12
  6. Step 6: Final answer
    x = 8,444.68

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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.