Home / 10,135.46-15,199.32-4,869.01

Finding the Fourth Proportional to 10,135.46, 15,199.32 and 4,869.01

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Solution

The fourth proportional to 10,135.46, 15,199.32 and 4,869.01 is: 7,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.46 : 15,199.32 = 4,869.01 : x
  2. Step 2: Convert to fraction form
    10,135.46/15,199.32 = 4,869.01/x
  3. Step 3: Cross multiply
    10,135.46x = 15,199.32 × 4,869.01
  4. Step 4: Simplify right side
    10,135.46x = 74,005,603.07
  5. Step 5: Solve for x
    x = 74,005,603.07/10,135.46
  6. Step 6: Final answer
    x = 7,301.65

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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.