Home / 10,220.63-14,105.63-5,683.76

Finding the Fourth Proportional to 10,220.63, 14,105.63 and 5,683.76

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Solution

The fourth proportional to 10,220.63, 14,105.63 and 5,683.76 is: 7,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.63 : 14,105.63 = 5,683.76 : x
  2. Step 2: Convert to fraction form
    10,220.63/14,105.63 = 5,683.76/x
  3. Step 3: Cross multiply
    10,220.63x = 14,105.63 × 5,683.76
  4. Step 4: Simplify right side
    10,220.63x = 80,173,012.15
  5. Step 5: Solve for x
    x = 80,173,012.15/10,220.63
  6. Step 6: Final answer
    x = 7,844.24

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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.