Home / 11,866.08-17,777.28-7,473.12

Finding the Fourth Proportional to 11,866.08, 17,777.28 and 7,473.12

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Solution

The fourth proportional to 11,866.08, 17,777.28 and 7,473.12 is: 11,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.08 : 17,777.28 = 7,473.12 : x
  2. Step 2: Convert to fraction form
    11,866.08/17,777.28 = 7,473.12/x
  3. Step 3: Cross multiply
    11,866.08x = 17,777.28 × 7,473.12
  4. Step 4: Simplify right side
    11,866.08x = 132,851,746.71
  5. Step 5: Solve for x
    x = 132,851,746.71/11,866.08
  6. Step 6: Final answer
    x = 11,195.93

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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.