Home / 10,105.26-15,153.30-4,258.68

Finding the Fourth Proportional to 10,105.26, 15,153.30 and 4,258.68

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Solution

The fourth proportional to 10,105.26, 15,153.30 and 4,258.68 is: 6,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.26 : 15,153.30 = 4,258.68 : x
  2. Step 2: Convert to fraction form
    10,105.26/15,153.30 = 4,258.68/x
  3. Step 3: Cross multiply
    10,105.26x = 15,153.30 × 4,258.68
  4. Step 4: Simplify right side
    10,105.26x = 64,533,055.64
  5. Step 5: Solve for x
    x = 64,533,055.64/10,105.26
  6. Step 6: Final answer
    x = 6,386.09

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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.