Home / 12,534.10-18,802.96-3,769.70

Finding the Fourth Proportional to 12,534.10, 18,802.96 and 3,769.70

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Solution

The fourth proportional to 12,534.10, 18,802.96 and 3,769.70 is: 5,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.10 : 18,802.96 = 3,769.70 : x
  2. Step 2: Convert to fraction form
    12,534.10/18,802.96 = 3,769.70/x
  3. Step 3: Cross multiply
    12,534.10x = 18,802.96 × 3,769.70
  4. Step 4: Simplify right side
    12,534.10x = 70,881,518.31
  5. Step 5: Solve for x
    x = 70,881,518.31/12,534.10
  6. Step 6: Final answer
    x = 5,655.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.