Home / 10,689.94-16,036.76-4,768.93

Finding the Fourth Proportional to 10,689.94, 16,036.76 and 4,768.93

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Solution

The fourth proportional to 10,689.94, 16,036.76 and 4,768.93 is: 7,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.94 : 16,036.76 = 4,768.93 : x
  2. Step 2: Convert to fraction form
    10,689.94/16,036.76 = 4,768.93/x
  3. Step 3: Cross multiply
    10,689.94x = 16,036.76 × 4,768.93
  4. Step 4: Simplify right side
    10,689.94x = 76,478,185.87
  5. Step 5: Solve for x
    x = 76,478,185.87/10,689.94
  6. Step 6: Final answer
    x = 7,154.22

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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.