Home / 10,769.22-14,857.97-8,776.35

Finding the Fourth Proportional to 10,769.22, 14,857.97 and 8,776.35

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Solution

The fourth proportional to 10,769.22, 14,857.97 and 8,776.35 is: 12,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.22 : 14,857.97 = 8,776.35 : x
  2. Step 2: Convert to fraction form
    10,769.22/14,857.97 = 8,776.35/x
  3. Step 3: Cross multiply
    10,769.22x = 14,857.97 × 8,776.35
  4. Step 4: Simplify right side
    10,769.22x = 130,398,701.13
  5. Step 5: Solve for x
    x = 130,398,701.13/10,769.22
  6. Step 6: Final answer
    x = 12,108.46

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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.