Home / 9,282.65-12,808.45-5,247.63

Finding the Fourth Proportional to 9,282.65, 12,808.45 and 5,247.63

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Solution

The fourth proportional to 9,282.65, 12,808.45 and 5,247.63 is: 7,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.65 : 12,808.45 = 5,247.63 : x
  2. Step 2: Convert to fraction form
    9,282.65/12,808.45 = 5,247.63/x
  3. Step 3: Cross multiply
    9,282.65x = 12,808.45 × 5,247.63
  4. Step 4: Simplify right side
    9,282.65x = 67,213,993.35
  5. Step 5: Solve for x
    x = 67,213,993.35/9,282.65
  6. Step 6: Final answer
    x = 7,240.82

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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.