Home / 7,693.75-10,617.35-4,156.95

Finding the Fourth Proportional to 7,693.75, 10,617.35 and 4,156.95

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Solution

The fourth proportional to 7,693.75, 10,617.35 and 4,156.95 is: 5,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.75 : 10,617.35 = 4,156.95 : x
  2. Step 2: Convert to fraction form
    7,693.75/10,617.35 = 4,156.95/x
  3. Step 3: Cross multiply
    7,693.75x = 10,617.35 × 4,156.95
  4. Step 4: Simplify right side
    7,693.75x = 44,135,812.11
  5. Step 5: Solve for x
    x = 44,135,812.11/7,693.75
  6. Step 6: Final answer
    x = 5,736.58

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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.