Home / 7,810.35-11,716.55-2,883.45

Finding the Fourth Proportional to 7,810.35, 11,716.55 and 2,883.45

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Solution

The fourth proportional to 7,810.35, 11,716.55 and 2,883.45 is: 4,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.35 : 11,716.55 = 2,883.45 : x
  2. Step 2: Convert to fraction form
    7,810.35/11,716.55 = 2,883.45/x
  3. Step 3: Cross multiply
    7,810.35x = 11,716.55 × 2,883.45
  4. Step 4: Simplify right side
    7,810.35x = 33,784,060.52
  5. Step 5: Solve for x
    x = 33,784,060.52/7,810.35
  6. Step 6: Final answer
    x = 4,325.55

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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.