Home / 9,213.74-12,715.10-5,021.98

Finding the Fourth Proportional to 9,213.74, 12,715.10 and 5,021.98

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Solution

The fourth proportional to 9,213.74, 12,715.10 and 5,021.98 is: 6,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.74 : 12,715.10 = 5,021.98 : x
  2. Step 2: Convert to fraction form
    9,213.74/12,715.10 = 5,021.98/x
  3. Step 3: Cross multiply
    9,213.74x = 12,715.10 × 5,021.98
  4. Step 4: Simplify right side
    9,213.74x = 63,854,977.90
  5. Step 5: Solve for x
    x = 63,854,977.90/9,213.74
  6. Step 6: Final answer
    x = 6,930.41

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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.