Home / 11,129.73-16,700.75-4,560.53

Finding the Fourth Proportional to 11,129.73, 16,700.75 and 4,560.53

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Solution

The fourth proportional to 11,129.73, 16,700.75 and 4,560.53 is: 6,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.73 : 16,700.75 = 4,560.53 : x
  2. Step 2: Convert to fraction form
    11,129.73/16,700.75 = 4,560.53/x
  3. Step 3: Cross multiply
    11,129.73x = 16,700.75 × 4,560.53
  4. Step 4: Simplify right side
    11,129.73x = 76,164,271.40
  5. Step 5: Solve for x
    x = 76,164,271.40/11,129.73
  6. Step 6: Final answer
    x = 6,843.32

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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.