Home / 7,516.07-10,372.13-4,328.20

Finding the Fourth Proportional to 7,516.07, 10,372.13 and 4,328.20

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Solution

The fourth proportional to 7,516.07, 10,372.13 and 4,328.20 is: 5,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.07 : 10,372.13 = 4,328.20 : x
  2. Step 2: Convert to fraction form
    7,516.07/10,372.13 = 4,328.20/x
  3. Step 3: Cross multiply
    7,516.07x = 10,372.13 × 4,328.20
  4. Step 4: Simplify right side
    7,516.07x = 44,892,601.21
  5. Step 5: Solve for x
    x = 44,892,601.21/7,516.07
  6. Step 6: Final answer
    x = 5,972.89

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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.