Home / 7,708.12-10,632.54-4,908.76

Finding the Fourth Proportional to 7,708.12, 10,632.54 and 4,908.76

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Solution

The fourth proportional to 7,708.12, 10,632.54 and 4,908.76 is: 6,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.12 : 10,632.54 = 4,908.76 : x
  2. Step 2: Convert to fraction form
    7,708.12/10,632.54 = 4,908.76/x
  3. Step 3: Cross multiply
    7,708.12x = 10,632.54 × 4,908.76
  4. Step 4: Simplify right side
    7,708.12x = 52,192,587.05
  5. Step 5: Solve for x
    x = 52,192,587.05/7,708.12
  6. Step 6: Final answer
    x = 6,771.12

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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.