Home / 8,748.56-12,072.77-4,769.75

Finding the Fourth Proportional to 8,748.56, 12,072.77 and 4,769.75

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Solution

The fourth proportional to 8,748.56, 12,072.77 and 4,769.75 is: 6,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.56 : 12,072.77 = 4,769.75 : x
  2. Step 2: Convert to fraction form
    8,748.56/12,072.77 = 4,769.75/x
  3. Step 3: Cross multiply
    8,748.56x = 12,072.77 × 4,769.75
  4. Step 4: Simplify right side
    8,748.56x = 57,584,094.71
  5. Step 5: Solve for x
    x = 57,584,094.71/8,748.56
  6. Step 6: Final answer
    x = 6,582.12

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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.