Home / 8,040.47-11,089.91-5,522.99

Finding the Fourth Proportional to 8,040.47, 11,089.91 and 5,522.99

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Solution

The fourth proportional to 8,040.47, 11,089.91 and 5,522.99 is: 7,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.47 : 11,089.91 = 5,522.99 : x
  2. Step 2: Convert to fraction form
    8,040.47/11,089.91 = 5,522.99/x
  3. Step 3: Cross multiply
    8,040.47x = 11,089.91 × 5,522.99
  4. Step 4: Simplify right side
    8,040.47x = 61,249,420.39
  5. Step 5: Solve for x
    x = 61,249,420.39/8,040.47
  6. Step 6: Final answer
    x = 7,617.65

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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.