Home / 7,483.12-10,322.91-5,711.65

Finding the Fourth Proportional to 7,483.12, 10,322.91 and 5,711.65

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Solution

The fourth proportional to 7,483.12, 10,322.91 and 5,711.65 is: 7,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.12 : 10,322.91 = 5,711.65 : x
  2. Step 2: Convert to fraction form
    7,483.12/10,322.91 = 5,711.65/x
  3. Step 3: Cross multiply
    7,483.12x = 10,322.91 × 5,711.65
  4. Step 4: Simplify right side
    7,483.12x = 58,960,768.73
  5. Step 5: Solve for x
    x = 58,960,768.73/7,483.12
  6. Step 6: Final answer
    x = 7,879.17

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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.