Home / 10,769.40-14,877.90-8,524.08

Finding the Fourth Proportional to 10,769.40, 14,877.90 and 8,524.08

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Solution

The fourth proportional to 10,769.40, 14,877.90 and 8,524.08 is: 11,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.40 : 14,877.90 = 8,524.08 : x
  2. Step 2: Convert to fraction form
    10,769.40/14,877.90 = 8,524.08/x
  3. Step 3: Cross multiply
    10,769.40x = 14,877.90 × 8,524.08
  4. Step 4: Simplify right side
    10,769.40x = 126,820,409.83
  5. Step 5: Solve for x
    x = 126,820,409.83/10,769.40
  6. Step 6: Final answer
    x = 11,776.00

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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.