Home / 11,331.24-15,633.18-7,357.32

Finding the Fourth Proportional to 11,331.24, 15,633.18 and 7,357.32

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Solution

The fourth proportional to 11,331.24, 15,633.18 and 7,357.32 is: 10,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.24 : 15,633.18 = 7,357.32 : x
  2. Step 2: Convert to fraction form
    11,331.24/15,633.18 = 7,357.32/x
  3. Step 3: Cross multiply
    11,331.24x = 15,633.18 × 7,357.32
  4. Step 4: Simplify right side
    11,331.24x = 115,018,307.88
  5. Step 5: Solve for x
    x = 115,018,307.88/11,331.24
  6. Step 6: Final answer
    x = 10,150.55

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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.