Home / 9,969.38-14,955.60-3,307.40

Finding the Fourth Proportional to 9,969.38, 14,955.60 and 3,307.40

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Solution

The fourth proportional to 9,969.38, 14,955.60 and 3,307.40 is: 4,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.38 : 14,955.60 = 3,307.40 : x
  2. Step 2: Convert to fraction form
    9,969.38/14,955.60 = 3,307.40/x
  3. Step 3: Cross multiply
    9,969.38x = 14,955.60 × 3,307.40
  4. Step 4: Simplify right side
    9,969.38x = 49,464,151.44
  5. Step 5: Solve for x
    x = 49,464,151.44/9,969.38
  6. Step 6: Final answer
    x = 4,961.61

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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.