Home / 7,214.07-9,949.65-4,975.44

Finding the Fourth Proportional to 7,214.07, 9,949.65 and 4,975.44

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Solution

The fourth proportional to 7,214.07, 9,949.65 and 4,975.44 is: 6,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.07 : 9,949.65 = 4,975.44 : x
  2. Step 2: Convert to fraction form
    7,214.07/9,949.65 = 4,975.44/x
  3. Step 3: Cross multiply
    7,214.07x = 9,949.65 × 4,975.44
  4. Step 4: Simplify right side
    7,214.07x = 49,503,886.60
  5. Step 5: Solve for x
    x = 49,503,886.60/7,214.07
  6. Step 6: Final answer
    x = 6,862.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.