Home / 8,370.02-11,538.29-6,377.12

Finding the Fourth Proportional to 8,370.02, 11,538.29 and 6,377.12

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Solution

The fourth proportional to 8,370.02, 11,538.29 and 6,377.12 is: 8,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.02 : 11,538.29 = 6,377.12 : x
  2. Step 2: Convert to fraction form
    8,370.02/11,538.29 = 6,377.12/x
  3. Step 3: Cross multiply
    8,370.02x = 11,538.29 × 6,377.12
  4. Step 4: Simplify right side
    8,370.02x = 73,580,970.35
  5. Step 5: Solve for x
    x = 73,580,970.35/8,370.02
  6. Step 6: Final answer
    x = 8,791.02

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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.