Home / 10,291.78-14,202.57-5,816.62

Finding the Fourth Proportional to 10,291.78, 14,202.57 and 5,816.62

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Solution

The fourth proportional to 10,291.78, 14,202.57 and 5,816.62 is: 8,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.78 : 14,202.57 = 5,816.62 : x
  2. Step 2: Convert to fraction form
    10,291.78/14,202.57 = 5,816.62/x
  3. Step 3: Cross multiply
    10,291.78x = 14,202.57 × 5,816.62
  4. Step 4: Simplify right side
    10,291.78x = 82,610,952.71
  5. Step 5: Solve for x
    x = 82,610,952.71/10,291.78
  6. Step 6: Final answer
    x = 8,026.89

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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.