Home / 9,270.69-13,908.36-3,031.05

Finding the Fourth Proportional to 9,270.69, 13,908.36 and 3,031.05

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Solution

The fourth proportional to 9,270.69, 13,908.36 and 3,031.05 is: 4,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.69 : 13,908.36 = 3,031.05 : x
  2. Step 2: Convert to fraction form
    9,270.69/13,908.36 = 3,031.05/x
  3. Step 3: Cross multiply
    9,270.69x = 13,908.36 × 3,031.05
  4. Step 4: Simplify right side
    9,270.69x = 42,156,934.58
  5. Step 5: Solve for x
    x = 42,156,934.58/9,270.69
  6. Step 6: Final answer
    x = 4,547.34

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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.