Home / 10,258.92-15,388.38-5,879.16

Finding the Fourth Proportional to 10,258.92, 15,388.38 and 5,879.16

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Solution

The fourth proportional to 10,258.92, 15,388.38 and 5,879.16 is: 8,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.92 : 15,388.38 = 5,879.16 : x
  2. Step 2: Convert to fraction form
    10,258.92/15,388.38 = 5,879.16/x
  3. Step 3: Cross multiply
    10,258.92x = 15,388.38 × 5,879.16
  4. Step 4: Simplify right side
    10,258.92x = 90,470,748.16
  5. Step 5: Solve for x
    x = 90,470,748.16/10,258.92
  6. Step 6: Final answer
    x = 8,818.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.