Home / 9,807.10-14,685.73-5,419.75

Finding the Fourth Proportional to 9,807.10, 14,685.73 and 5,419.75

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Solution

The fourth proportional to 9,807.10, 14,685.73 and 5,419.75 is: 8,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.10 : 14,685.73 = 5,419.75 : x
  2. Step 2: Convert to fraction form
    9,807.10/14,685.73 = 5,419.75/x
  3. Step 3: Cross multiply
    9,807.10x = 14,685.73 × 5,419.75
  4. Step 4: Simplify right side
    9,807.10x = 79,592,985.17
  5. Step 5: Solve for x
    x = 79,592,985.17/9,807.10
  6. Step 6: Final answer
    x = 8,115.85

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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.