Home / 7,353.47-10,143.67-4,518.87

Finding the Fourth Proportional to 7,353.47, 10,143.67 and 4,518.87

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Solution

The fourth proportional to 7,353.47, 10,143.67 and 4,518.87 is: 6,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.47 : 10,143.67 = 4,518.87 : x
  2. Step 2: Convert to fraction form
    7,353.47/10,143.67 = 4,518.87/x
  3. Step 3: Cross multiply
    7,353.47x = 10,143.67 × 4,518.87
  4. Step 4: Simplify right side
    7,353.47x = 45,837,926.05
  5. Step 5: Solve for x
    x = 45,837,926.05/7,353.47
  6. Step 6: Final answer
    x = 6,233.51

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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.