Home / 11,216.48-15,472.32-7,017.44

Finding the Fourth Proportional to 11,216.48, 15,472.32 and 7,017.44

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Solution

The fourth proportional to 11,216.48, 15,472.32 and 7,017.44 is: 9,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.48 : 15,472.32 = 7,017.44 : x
  2. Step 2: Convert to fraction form
    11,216.48/15,472.32 = 7,017.44/x
  3. Step 3: Cross multiply
    11,216.48x = 15,472.32 × 7,017.44
  4. Step 4: Simplify right side
    11,216.48x = 108,576,077.26
  5. Step 5: Solve for x
    x = 108,576,077.26/11,216.48
  6. Step 6: Final answer
    x = 9,680.05

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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.