Home / 7,695.40-10,617.16-4,708.12

Finding the Fourth Proportional to 7,695.40, 10,617.16 and 4,708.12

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Solution

The fourth proportional to 7,695.40, 10,617.16 and 4,708.12 is: 6,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.40 : 10,617.16 = 4,708.12 : x
  2. Step 2: Convert to fraction form
    7,695.40/10,617.16 = 4,708.12/x
  3. Step 3: Cross multiply
    7,695.40x = 10,617.16 × 4,708.12
  4. Step 4: Simplify right side
    7,695.40x = 49,986,839.80
  5. Step 5: Solve for x
    x = 49,986,839.80/7,695.40
  6. Step 6: Final answer
    x = 6,495.68

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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.