Home / 11,032.40-15,223.56-6,555.92

Finding the Fourth Proportional to 11,032.40, 15,223.56 and 6,555.92

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Solution

The fourth proportional to 11,032.40, 15,223.56 and 6,555.92 is: 9,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.40 : 15,223.56 = 6,555.92 : x
  2. Step 2: Convert to fraction form
    11,032.40/15,223.56 = 6,555.92/x
  3. Step 3: Cross multiply
    11,032.40x = 15,223.56 × 6,555.92
  4. Step 4: Simplify right side
    11,032.40x = 99,804,441.48
  5. Step 5: Solve for x
    x = 99,804,441.48/11,032.40
  6. Step 6: Final answer
    x = 9,046.49

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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.