Home / 11,180.66-15,428.24-6,703.58

Finding the Fourth Proportional to 11,180.66, 15,428.24 and 6,703.58

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Solution

The fourth proportional to 11,180.66, 15,428.24 and 6,703.58 is: 9,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.66 : 15,428.24 = 6,703.58 : x
  2. Step 2: Convert to fraction form
    11,180.66/15,428.24 = 6,703.58/x
  3. Step 3: Cross multiply
    11,180.66x = 15,428.24 × 6,703.58
  4. Step 4: Simplify right side
    11,180.66x = 103,424,441.10
  5. Step 5: Solve for x
    x = 103,424,441.10/11,180.66
  6. Step 6: Final answer
    x = 9,250.30

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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.