Home / 7,515.24-10,372.26-4,490.76

Finding the Fourth Proportional to 7,515.24, 10,372.26 and 4,490.76

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Solution

The fourth proportional to 7,515.24, 10,372.26 and 4,490.76 is: 6,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.24 : 10,372.26 = 4,490.76 : x
  2. Step 2: Convert to fraction form
    7,515.24/10,372.26 = 4,490.76/x
  3. Step 3: Cross multiply
    7,515.24x = 10,372.26 × 4,490.76
  4. Step 4: Simplify right side
    7,515.24x = 46,579,330.32
  5. Step 5: Solve for x
    x = 46,579,330.32/7,515.24
  6. Step 6: Final answer
    x = 6,197.98

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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.