Home / 7,422.04-11,118.48-5,682.16

Finding the Fourth Proportional to 7,422.04, 11,118.48 and 5,682.16

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Solution

The fourth proportional to 7,422.04, 11,118.48 and 5,682.16 is: 8,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.04 : 11,118.48 = 5,682.16 : x
  2. Step 2: Convert to fraction form
    7,422.04/11,118.48 = 5,682.16/x
  3. Step 3: Cross multiply
    7,422.04x = 11,118.48 × 5,682.16
  4. Step 4: Simplify right side
    7,422.04x = 63,176,982.32
  5. Step 5: Solve for x
    x = 63,176,982.32/7,422.04
  6. Step 6: Final answer
    x = 8,512.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.