Home / 11,010.81-16,512.23-4,686.11

Finding the Fourth Proportional to 11,010.81, 16,512.23 and 4,686.11

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Solution

The fourth proportional to 11,010.81, 16,512.23 and 4,686.11 is: 7,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.81 : 16,512.23 = 4,686.11 : x
  2. Step 2: Convert to fraction form
    11,010.81/16,512.23 = 4,686.11/x
  3. Step 3: Cross multiply
    11,010.81x = 16,512.23 × 4,686.11
  4. Step 4: Simplify right side
    11,010.81x = 77,378,126.13
  5. Step 5: Solve for x
    x = 77,378,126.13/11,010.81
  6. Step 6: Final answer
    x = 7,027.47

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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.