Home / 10,718.61-16,077.42-2,927.40

Finding the Fourth Proportional to 10,718.61, 16,077.42 and 2,927.40

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Solution

The fourth proportional to 10,718.61, 16,077.42 and 2,927.40 is: 4,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.61 : 16,077.42 = 2,927.40 : x
  2. Step 2: Convert to fraction form
    10,718.61/16,077.42 = 2,927.40/x
  3. Step 3: Cross multiply
    10,718.61x = 16,077.42 × 2,927.40
  4. Step 4: Simplify right side
    10,718.61x = 47,065,039.31
  5. Step 5: Solve for x
    x = 47,065,039.31/10,718.61
  6. Step 6: Final answer
    x = 4,390.96

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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.