Home / 6,909.50-9,535.52-3,925.46

Finding the Fourth Proportional to 6,909.50, 9,535.52 and 3,925.46

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Solution

The fourth proportional to 6,909.50, 9,535.52 and 3,925.46 is: 5,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.50 : 9,535.52 = 3,925.46 : x
  2. Step 2: Convert to fraction form
    6,909.50/9,535.52 = 3,925.46/x
  3. Step 3: Cross multiply
    6,909.50x = 9,535.52 × 3,925.46
  4. Step 4: Simplify right side
    6,909.50x = 37,431,282.71
  5. Step 5: Solve for x
    x = 37,431,282.71/6,909.50
  6. Step 6: Final answer
    x = 5,417.36

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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.