Home / 11,352.45-15,666.13-6,316.56

Finding the Fourth Proportional to 11,352.45, 15,666.13 and 6,316.56

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Solution

The fourth proportional to 11,352.45, 15,666.13 and 6,316.56 is: 8,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.45 : 15,666.13 = 6,316.56 : x
  2. Step 2: Convert to fraction form
    11,352.45/15,666.13 = 6,316.56/x
  3. Step 3: Cross multiply
    11,352.45x = 15,666.13 × 6,316.56
  4. Step 4: Simplify right side
    11,352.45x = 98,956,050.11
  5. Step 5: Solve for x
    x = 98,956,050.11/11,352.45
  6. Step 6: Final answer
    x = 8,716.71

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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.