Home / 7,069.16-9,755.88-3,925.37

Finding the Fourth Proportional to 7,069.16, 9,755.88 and 3,925.37

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Solution

The fourth proportional to 7,069.16, 9,755.88 and 3,925.37 is: 5,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.16 : 9,755.88 = 3,925.37 : x
  2. Step 2: Convert to fraction form
    7,069.16/9,755.88 = 3,925.37/x
  3. Step 3: Cross multiply
    7,069.16x = 9,755.88 × 3,925.37
  4. Step 4: Simplify right side
    7,069.16x = 38,295,438.68
  5. Step 5: Solve for x
    x = 38,295,438.68/7,069.16
  6. Step 6: Final answer
    x = 5,417.25

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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.