Home / 8,376.04-11,551.62-5,388.04

Finding the Fourth Proportional to 8,376.04, 11,551.62 and 5,388.04

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Solution

The fourth proportional to 8,376.04, 11,551.62 and 5,388.04 is: 7,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.04 : 11,551.62 = 5,388.04 : x
  2. Step 2: Convert to fraction form
    8,376.04/11,551.62 = 5,388.04/x
  3. Step 3: Cross multiply
    8,376.04x = 11,551.62 × 5,388.04
  4. Step 4: Simplify right side
    8,376.04x = 62,240,590.62
  5. Step 5: Solve for x
    x = 62,240,590.62/8,376.04
  6. Step 6: Final answer
    x = 7,430.79

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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.