Home / 10,930.08-16,396.08-4,690.40

Finding the Fourth Proportional to 10,930.08, 16,396.08 and 4,690.40

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Solution

The fourth proportional to 10,930.08, 16,396.08 and 4,690.40 is: 7,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.08 : 16,396.08 = 4,690.40 : x
  2. Step 2: Convert to fraction form
    10,930.08/16,396.08 = 4,690.40/x
  3. Step 3: Cross multiply
    10,930.08x = 16,396.08 × 4,690.40
  4. Step 4: Simplify right side
    10,930.08x = 76,904,173.63
  5. Step 5: Solve for x
    x = 76,904,173.63/10,930.08
  6. Step 6: Final answer
    x = 7,036.01

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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.