Home / 7,307.40-10,961.10-4,018.80

Finding the Fourth Proportional to 7,307.40, 10,961.10 and 4,018.80

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Solution

The fourth proportional to 7,307.40, 10,961.10 and 4,018.80 is: 6,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.40 : 10,961.10 = 4,018.80 : x
  2. Step 2: Convert to fraction form
    7,307.40/10,961.10 = 4,018.80/x
  3. Step 3: Cross multiply
    7,307.40x = 10,961.10 × 4,018.80
  4. Step 4: Simplify right side
    7,307.40x = 44,050,468.68
  5. Step 5: Solve for x
    x = 44,050,468.68/7,307.40
  6. Step 6: Final answer
    x = 6,028.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.