Home / 11,140.42-15,371.76-6,360.34

Finding the Fourth Proportional to 11,140.42, 15,371.76 and 6,360.34

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Solution

The fourth proportional to 11,140.42, 15,371.76 and 6,360.34 is: 8,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.42 : 15,371.76 = 6,360.34 : x
  2. Step 2: Convert to fraction form
    11,140.42/15,371.76 = 6,360.34/x
  3. Step 3: Cross multiply
    11,140.42x = 15,371.76 × 6,360.34
  4. Step 4: Simplify right side
    11,140.42x = 97,769,620.00
  5. Step 5: Solve for x
    x = 97,769,620.00/11,140.42
  6. Step 6: Final answer
    x = 8,776.12

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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.