Home / 7,799.49-10,763.13-4,262.72

Finding the Fourth Proportional to 7,799.49, 10,763.13 and 4,262.72

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Solution

The fourth proportional to 7,799.49, 10,763.13 and 4,262.72 is: 5,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.49 : 10,763.13 = 4,262.72 : x
  2. Step 2: Convert to fraction form
    7,799.49/10,763.13 = 4,262.72/x
  3. Step 3: Cross multiply
    7,799.49x = 10,763.13 × 4,262.72
  4. Step 4: Simplify right side
    7,799.49x = 45,880,241.75
  5. Step 5: Solve for x
    x = 45,880,241.75/7,799.49
  6. Step 6: Final answer
    x = 5,882.47

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Half scale
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Double scale
Find fourth proportional to 7,800.49, 10,764.51 and 4,263.72
Similar ratio
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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.