Home / 6,968.76-9,629.45-4,975.89

Finding the Fourth Proportional to 6,968.76, 9,629.45 and 4,975.89

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Solution

The fourth proportional to 6,968.76, 9,629.45 and 4,975.89 is: 6,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.76 : 9,629.45 = 4,975.89 : x
  2. Step 2: Convert to fraction form
    6,968.76/9,629.45 = 4,975.89/x
  3. Step 3: Cross multiply
    6,968.76x = 9,629.45 × 4,975.89
  4. Step 4: Simplify right side
    6,968.76x = 47,915,083.96
  5. Step 5: Solve for x
    x = 47,915,083.96/6,968.76
  6. Step 6: Final answer
    x = 6,875.70

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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.