Home / 11,352.60-15,666.27-6,316.56

Finding the Fourth Proportional to 11,352.60, 15,666.27 and 6,316.56

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Solution

The fourth proportional to 11,352.60, 15,666.27 and 6,316.56 is: 8,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.60 : 15,666.27 = 6,316.56 : x
  2. Step 2: Convert to fraction form
    11,352.60/15,666.27 = 6,316.56/x
  3. Step 3: Cross multiply
    11,352.60x = 15,666.27 × 6,316.56
  4. Step 4: Simplify right side
    11,352.60x = 98,956,934.43
  5. Step 5: Solve for x
    x = 98,956,934.43/11,352.60
  6. Step 6: Final answer
    x = 8,716.68

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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.