Home / 8,774.43-12,118.77-6,395.01

Finding the Fourth Proportional to 8,774.43, 12,118.77 and 6,395.01

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Solution

The fourth proportional to 8,774.43, 12,118.77 and 6,395.01 is: 8,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.43 : 12,118.77 = 6,395.01 : x
  2. Step 2: Convert to fraction form
    8,774.43/12,118.77 = 6,395.01/x
  3. Step 3: Cross multiply
    8,774.43x = 12,118.77 × 6,395.01
  4. Step 4: Simplify right side
    8,774.43x = 77,499,655.34
  5. Step 5: Solve for x
    x = 77,499,655.34/8,774.43
  6. Step 6: Final answer
    x = 8,832.44

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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.