Home / 7,699.15-10,613.48-6,632.23

Finding the Fourth Proportional to 7,699.15, 10,613.48 and 6,632.23

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Solution

The fourth proportional to 7,699.15, 10,613.48 and 6,632.23 is: 9,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.15 : 10,613.48 = 6,632.23 : x
  2. Step 2: Convert to fraction form
    7,699.15/10,613.48 = 6,632.23/x
  3. Step 3: Cross multiply
    7,699.15x = 10,613.48 × 6,632.23
  4. Step 4: Simplify right side
    7,699.15x = 70,391,037.97
  5. Step 5: Solve for x
    x = 70,391,037.97/7,699.15
  6. Step 6: Final answer
    x = 9,142.70

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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.