Home / 10,220.29-14,103.54-5,971.74

Finding the Fourth Proportional to 10,220.29, 14,103.54 and 5,971.74

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Solution

The fourth proportional to 10,220.29, 14,103.54 and 5,971.74 is: 8,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.29 : 14,103.54 = 5,971.74 : x
  2. Step 2: Convert to fraction form
    10,220.29/14,103.54 = 5,971.74/x
  3. Step 3: Cross multiply
    10,220.29x = 14,103.54 × 5,971.74
  4. Step 4: Simplify right side
    10,220.29x = 84,222,749.24
  5. Step 5: Solve for x
    x = 84,222,749.24/10,220.29
  6. Step 6: Final answer
    x = 8,240.74

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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.