Home / 10,995.17-16,488.65-4,756.07

Finding the Fourth Proportional to 10,995.17, 16,488.65 and 4,756.07

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Solution

The fourth proportional to 10,995.17, 16,488.65 and 4,756.07 is: 7,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.17 : 16,488.65 = 4,756.07 : x
  2. Step 2: Convert to fraction form
    10,995.17/16,488.65 = 4,756.07/x
  3. Step 3: Cross multiply
    10,995.17x = 16,488.65 × 4,756.07
  4. Step 4: Simplify right side
    10,995.17x = 78,421,067.38
  5. Step 5: Solve for x
    x = 78,421,067.38/10,995.17
  6. Step 6: Final answer
    x = 7,132.32

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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.