Home / 10,900.16-15,042.28-6,183.52

Finding the Fourth Proportional to 10,900.16, 15,042.28 and 6,183.52

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Solution

The fourth proportional to 10,900.16, 15,042.28 and 6,183.52 is: 8,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.16 : 15,042.28 = 6,183.52 : x
  2. Step 2: Convert to fraction form
    10,900.16/15,042.28 = 6,183.52/x
  3. Step 3: Cross multiply
    10,900.16x = 15,042.28 × 6,183.52
  4. Step 4: Simplify right side
    10,900.16x = 93,014,239.23
  5. Step 5: Solve for x
    x = 93,014,239.23/10,900.16
  6. Step 6: Final answer
    x = 8,533.29

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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.