Home / 12,722.08-19,062.06-4,926.64

Finding the Fourth Proportional to 12,722.08, 19,062.06 and 4,926.64

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Solution

The fourth proportional to 12,722.08, 19,062.06 and 4,926.64 is: 7,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.08 : 19,062.06 = 4,926.64 : x
  2. Step 2: Convert to fraction form
    12,722.08/19,062.06 = 4,926.64/x
  3. Step 3: Cross multiply
    12,722.08x = 19,062.06 × 4,926.64
  4. Step 4: Simplify right side
    12,722.08x = 93,911,907.28
  5. Step 5: Solve for x
    x = 93,911,907.28/12,722.08
  6. Step 6: Final answer
    x = 7,381.80

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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.