Home / 10,320.84-15,482.38-3,395.32

Finding the Fourth Proportional to 10,320.84, 15,482.38 and 3,395.32

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Solution

The fourth proportional to 10,320.84, 15,482.38 and 3,395.32 is: 5,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.84 : 15,482.38 = 3,395.32 : x
  2. Step 2: Convert to fraction form
    10,320.84/15,482.38 = 3,395.32/x
  3. Step 3: Cross multiply
    10,320.84x = 15,482.38 × 3,395.32
  4. Step 4: Simplify right side
    10,320.84x = 52,567,634.46
  5. Step 5: Solve for x
    x = 52,567,634.46/10,320.84
  6. Step 6: Final answer
    x = 5,093.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.