Home / 8,463.08-11,680.02-4,878.88

Finding the Fourth Proportional to 8,463.08, 11,680.02 and 4,878.88

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Solution

The fourth proportional to 8,463.08, 11,680.02 and 4,878.88 is: 6,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.08 : 11,680.02 = 4,878.88 : x
  2. Step 2: Convert to fraction form
    8,463.08/11,680.02 = 4,878.88/x
  3. Step 3: Cross multiply
    8,463.08x = 11,680.02 × 4,878.88
  4. Step 4: Simplify right side
    8,463.08x = 56,985,415.98
  5. Step 5: Solve for x
    x = 56,985,415.98/8,463.08
  6. Step 6: Final answer
    x = 6,733.41

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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.