Home / 7,422.48-11,079.54-6,874.32

Finding the Fourth Proportional to 7,422.48, 11,079.54 and 6,874.32

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Solution

The fourth proportional to 7,422.48, 11,079.54 and 6,874.32 is: 10,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.48 : 11,079.54 = 6,874.32 : x
  2. Step 2: Convert to fraction form
    7,422.48/11,079.54 = 6,874.32/x
  3. Step 3: Cross multiply
    7,422.48x = 11,079.54 × 6,874.32
  4. Step 4: Simplify right side
    7,422.48x = 76,164,303.41
  5. Step 5: Solve for x
    x = 76,164,303.41/7,422.48
  6. Step 6: Final answer
    x = 10,261.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.