Home / 7,417.13-11,121.45-3,903.41

Finding the Fourth Proportional to 7,417.13, 11,121.45 and 3,903.41

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Solution

The fourth proportional to 7,417.13, 11,121.45 and 3,903.41 is: 5,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.13 : 11,121.45 = 3,903.41 : x
  2. Step 2: Convert to fraction form
    7,417.13/11,121.45 = 3,903.41/x
  3. Step 3: Cross multiply
    7,417.13x = 11,121.45 × 3,903.41
  4. Step 4: Simplify right side
    7,417.13x = 43,411,523.54
  5. Step 5: Solve for x
    x = 43,411,523.54/7,417.13
  6. Step 6: Final answer
    x = 5,852.88

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1.5x scale

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.