Home / 7,068.94-9,755.13-3,925.12

Finding the Fourth Proportional to 7,068.94, 9,755.13 and 3,925.12

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Solution

The fourth proportional to 7,068.94, 9,755.13 and 3,925.12 is: 5,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.94 : 9,755.13 = 3,925.12 : x
  2. Step 2: Convert to fraction form
    7,068.94/9,755.13 = 3,925.12/x
  3. Step 3: Cross multiply
    7,068.94x = 9,755.13 × 3,925.12
  4. Step 4: Simplify right side
    7,068.94x = 38,290,055.87
  5. Step 5: Solve for x
    x = 38,290,055.87/7,068.94
  6. Step 6: Final answer
    x = 5,416.66

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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.