Home / 9,945.85-14,920.59-4,099.27

Finding the Fourth Proportional to 9,945.85, 14,920.59 and 4,099.27

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Solution

The fourth proportional to 9,945.85, 14,920.59 and 4,099.27 is: 6,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.85 : 14,920.59 = 4,099.27 : x
  2. Step 2: Convert to fraction form
    9,945.85/14,920.59 = 4,099.27/x
  3. Step 3: Cross multiply
    9,945.85x = 14,920.59 × 4,099.27
  4. Step 4: Simplify right side
    9,945.85x = 61,163,526.97
  5. Step 5: Solve for x
    x = 61,163,526.97/9,945.85
  6. Step 6: Final answer
    x = 6,149.65

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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.