Home / 7,645.59-11,473.55-2,715.32

Finding the Fourth Proportional to 7,645.59, 11,473.55 and 2,715.32

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Solution

The fourth proportional to 7,645.59, 11,473.55 and 2,715.32 is: 4,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.59 : 11,473.55 = 2,715.32 : x
  2. Step 2: Convert to fraction form
    7,645.59/11,473.55 = 2,715.32/x
  3. Step 3: Cross multiply
    7,645.59x = 11,473.55 × 2,715.32
  4. Step 4: Simplify right side
    7,645.59x = 31,154,385.08
  5. Step 5: Solve for x
    x = 31,154,385.08/7,645.59
  6. Step 6: Final answer
    x = 4,074.82

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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.