Home / 7,426.71-11,089.15-6,330.51

Finding the Fourth Proportional to 7,426.71, 11,089.15 and 6,330.51

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Solution

The fourth proportional to 7,426.71, 11,089.15 and 6,330.51 is: 9,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.71 : 11,089.15 = 6,330.51 : x
  2. Step 2: Convert to fraction form
    7,426.71/11,089.15 = 6,330.51/x
  3. Step 3: Cross multiply
    7,426.71x = 11,089.15 × 6,330.51
  4. Step 4: Simplify right side
    7,426.71x = 70,199,959.14
  5. Step 5: Solve for x
    x = 70,199,959.14/7,426.71
  6. Step 6: Final answer
    x = 9,452.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.