Home / 10,160.20-14,020.63-5,683.11

Finding the Fourth Proportional to 10,160.20, 14,020.63 and 5,683.11

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Solution

The fourth proportional to 10,160.20, 14,020.63 and 5,683.11 is: 7,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.20 : 14,020.63 = 5,683.11 : x
  2. Step 2: Convert to fraction form
    10,160.20/14,020.63 = 5,683.11/x
  3. Step 3: Cross multiply
    10,160.20x = 14,020.63 × 5,683.11
  4. Step 4: Simplify right side
    10,160.20x = 79,680,782.56
  5. Step 5: Solve for x
    x = 79,680,782.56/10,160.20
  6. Step 6: Final answer
    x = 7,842.44

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Half scale
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Double scale
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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.