Home / 11,110.23-15,326.55-7,329.42

Finding the Fourth Proportional to 11,110.23, 15,326.55 and 7,329.42

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Solution

The fourth proportional to 11,110.23, 15,326.55 and 7,329.42 is: 10,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.23 : 15,326.55 = 7,329.42 : x
  2. Step 2: Convert to fraction form
    11,110.23/15,326.55 = 7,329.42/x
  3. Step 3: Cross multiply
    11,110.23x = 15,326.55 × 7,329.42
  4. Step 4: Simplify right side
    11,110.23x = 112,334,722.10
  5. Step 5: Solve for x
    x = 112,334,722.10/11,110.23
  6. Step 6: Final answer
    x = 10,110.93

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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.