Home / 9,920.24-13,688.93-5,941.25

Finding the Fourth Proportional to 9,920.24, 13,688.93 and 5,941.25

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Solution

The fourth proportional to 9,920.24, 13,688.93 and 5,941.25 is: 8,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.24 : 13,688.93 = 5,941.25 : x
  2. Step 2: Convert to fraction form
    9,920.24/13,688.93 = 5,941.25/x
  3. Step 3: Cross multiply
    9,920.24x = 13,688.93 × 5,941.25
  4. Step 4: Simplify right side
    9,920.24x = 81,329,353.10
  5. Step 5: Solve for x
    x = 81,329,353.10/9,920.24
  6. Step 6: Final answer
    x = 8,198.33

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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.