Home / 7,946.80-10,965.42-5,118.01

Finding the Fourth Proportional to 7,946.80, 10,965.42 and 5,118.01

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Solution

The fourth proportional to 7,946.80, 10,965.42 and 5,118.01 is: 7,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.80 : 10,965.42 = 5,118.01 : x
  2. Step 2: Convert to fraction form
    7,946.80/10,965.42 = 5,118.01/x
  3. Step 3: Cross multiply
    7,946.80x = 10,965.42 × 5,118.01
  4. Step 4: Simplify right side
    7,946.80x = 56,121,101.80
  5. Step 5: Solve for x
    x = 56,121,101.80/7,946.80
  6. Step 6: Final answer
    x = 7,062.10

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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.