Home / 11,122.40-15,346.32-7,592.96

Finding the Fourth Proportional to 11,122.40, 15,346.32 and 7,592.96

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Solution

The fourth proportional to 11,122.40, 15,346.32 and 7,592.96 is: 10,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.40 : 15,346.32 = 7,592.96 : x
  2. Step 2: Convert to fraction form
    11,122.40/15,346.32 = 7,592.96/x
  3. Step 3: Cross multiply
    11,122.40x = 15,346.32 × 7,592.96
  4. Step 4: Simplify right side
    11,122.40x = 116,523,993.91
  5. Step 5: Solve for x
    x = 116,523,993.91/11,122.40
  6. Step 6: Final answer
    x = 10,476.52

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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.