Home / 12,769.48-17,624.10-8,056.36

Finding the Fourth Proportional to 12,769.48, 17,624.10 and 8,056.36

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Solution

The fourth proportional to 12,769.48, 17,624.10 and 8,056.36 is: 11,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.48 : 17,624.10 = 8,056.36 : x
  2. Step 2: Convert to fraction form
    12,769.48/17,624.10 = 8,056.36/x
  3. Step 3: Cross multiply
    12,769.48x = 17,624.10 × 8,056.36
  4. Step 4: Simplify right side
    12,769.48x = 141,986,094.28
  5. Step 5: Solve for x
    x = 141,986,094.28/12,769.48
  6. Step 6: Final answer
    x = 11,119.18

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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.