Home / 7,497.12-10,336.32-5,135.04

Finding the Fourth Proportional to 7,497.12, 10,336.32 and 5,135.04

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Solution

The fourth proportional to 7,497.12, 10,336.32 and 5,135.04 is: 7,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.12 : 10,336.32 = 5,135.04 : x
  2. Step 2: Convert to fraction form
    7,497.12/10,336.32 = 5,135.04/x
  3. Step 3: Cross multiply
    7,497.12x = 10,336.32 × 5,135.04
  4. Step 4: Simplify right side
    7,497.12x = 53,077,416.65
  5. Step 5: Solve for x
    x = 53,077,416.65/7,497.12
  6. Step 6: Final answer
    x = 7,079.71

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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.