Home / 7,520.09-10,372.91-6,031.58

Finding the Fourth Proportional to 7,520.09, 10,372.91 and 6,031.58

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Solution

The fourth proportional to 7,520.09, 10,372.91 and 6,031.58 is: 8,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.09 : 10,372.91 = 6,031.58 : x
  2. Step 2: Convert to fraction form
    7,520.09/10,372.91 = 6,031.58/x
  3. Step 3: Cross multiply
    7,520.09x = 10,372.91 × 6,031.58
  4. Step 4: Simplify right side
    7,520.09x = 62,564,954.48
  5. Step 5: Solve for x
    x = 62,564,954.48/7,520.09
  6. Step 6: Final answer
    x = 8,319.71

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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.