Home / 10,812.69-14,921.01-6,335.82

Finding the Fourth Proportional to 10,812.69, 14,921.01 and 6,335.82

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Solution

The fourth proportional to 10,812.69, 14,921.01 and 6,335.82 is: 8,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.69 : 14,921.01 = 6,335.82 : x
  2. Step 2: Convert to fraction form
    10,812.69/14,921.01 = 6,335.82/x
  3. Step 3: Cross multiply
    10,812.69x = 14,921.01 × 6,335.82
  4. Step 4: Simplify right side
    10,812.69x = 94,536,833.58
  5. Step 5: Solve for x
    x = 94,536,833.58/10,812.69
  6. Step 6: Final answer
    x = 8,743.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.