Home / 7,208.12-9,946.05-4,063.70

Finding the Fourth Proportional to 7,208.12, 9,946.05 and 4,063.70

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Solution

The fourth proportional to 7,208.12, 9,946.05 and 4,063.70 is: 5,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.12 : 9,946.05 = 4,063.70 : x
  2. Step 2: Convert to fraction form
    7,208.12/9,946.05 = 4,063.70/x
  3. Step 3: Cross multiply
    7,208.12x = 9,946.05 × 4,063.70
  4. Step 4: Simplify right side
    7,208.12x = 40,417,713.65
  5. Step 5: Solve for x
    x = 40,417,713.65/7,208.12
  6. Step 6: Final answer
    x = 5,607.25

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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.