Home / 7,946.63-10,968.36-5,429.75

Finding the Fourth Proportional to 7,946.63, 10,968.36 and 5,429.75

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Solution

The fourth proportional to 7,946.63, 10,968.36 and 5,429.75 is: 7,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.63 : 10,968.36 = 5,429.75 : x
  2. Step 2: Convert to fraction form
    7,946.63/10,968.36 = 5,429.75/x
  3. Step 3: Cross multiply
    7,946.63x = 10,968.36 × 5,429.75
  4. Step 4: Simplify right side
    7,946.63x = 59,555,452.71
  5. Step 5: Solve for x
    x = 59,555,452.71/7,946.63
  6. Step 6: Final answer
    x = 7,494.43

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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.