Home / 9,518.17-13,135.11-5,326.41

Finding the Fourth Proportional to 9,518.17, 13,135.11 and 5,326.41

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Solution

The fourth proportional to 9,518.17, 13,135.11 and 5,326.41 is: 7,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.17 : 13,135.11 = 5,326.41 : x
  2. Step 2: Convert to fraction form
    9,518.17/13,135.11 = 5,326.41/x
  3. Step 3: Cross multiply
    9,518.17x = 13,135.11 × 5,326.41
  4. Step 4: Simplify right side
    9,518.17x = 69,962,981.26
  5. Step 5: Solve for x
    x = 69,962,981.26/9,518.17
  6. Step 6: Final answer
    x = 7,350.47

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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.