Home / 10,358.82-15,464.39-9,994.32

Finding the Fourth Proportional to 10,358.82, 15,464.39 and 9,994.32

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Solution

The fourth proportional to 10,358.82, 15,464.39 and 9,994.32 is: 14,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.82 : 15,464.39 = 9,994.32 : x
  2. Step 2: Convert to fraction form
    10,358.82/15,464.39 = 9,994.32/x
  3. Step 3: Cross multiply
    10,358.82x = 15,464.39 × 9,994.32
  4. Step 4: Simplify right side
    10,358.82x = 154,556,012.29
  5. Step 5: Solve for x
    x = 154,556,012.29/10,358.82
  6. Step 6: Final answer
    x = 14,920.23

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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.