Home / 8,747.10-12,070.89-4,768.11

Finding the Fourth Proportional to 8,747.10, 12,070.89 and 4,768.11

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Solution

The fourth proportional to 8,747.10, 12,070.89 and 4,768.11 is: 6,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.10 : 12,070.89 = 4,768.11 : x
  2. Step 2: Convert to fraction form
    8,747.10/12,070.89 = 4,768.11/x
  3. Step 3: Cross multiply
    8,747.10x = 12,070.89 × 4,768.11
  4. Step 4: Simplify right side
    8,747.10x = 57,555,331.32
  5. Step 5: Solve for x
    x = 57,555,331.32/8,747.10
  6. Step 6: Final answer
    x = 6,579.93

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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.