Home / 10,199.47-15,296.68-2,803.57

Finding the Fourth Proportional to 10,199.47, 15,296.68 and 2,803.57

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Solution

The fourth proportional to 10,199.47, 15,296.68 and 2,803.57 is: 4,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.47 : 15,296.68 = 2,803.57 : x
  2. Step 2: Convert to fraction form
    10,199.47/15,296.68 = 2,803.57/x
  3. Step 3: Cross multiply
    10,199.47x = 15,296.68 × 2,803.57
  4. Step 4: Simplify right side
    10,199.47x = 42,885,313.15
  5. Step 5: Solve for x
    x = 42,885,313.15/10,199.47
  6. Step 6: Final answer
    x = 4,204.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.