Home / 9,518.14-13,135.46-5,326.39

Finding the Fourth Proportional to 9,518.14, 13,135.46 and 5,326.39

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Solution

The fourth proportional to 9,518.14, 13,135.46 and 5,326.39 is: 7,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.14 : 13,135.46 = 5,326.39 : x
  2. Step 2: Convert to fraction form
    9,518.14/13,135.46 = 5,326.39/x
  3. Step 3: Cross multiply
    9,518.14x = 13,135.46 × 5,326.39
  4. Step 4: Simplify right side
    9,518.14x = 69,964,582.79
  5. Step 5: Solve for x
    x = 69,964,582.79/9,518.14
  6. Step 6: Final answer
    x = 7,350.66

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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.