Home / 10,088.44-15,146.70-5,161.48

Finding the Fourth Proportional to 10,088.44, 15,146.70 and 5,161.48

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Solution

The fourth proportional to 10,088.44, 15,146.70 and 5,161.48 is: 7,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.44 : 15,146.70 = 5,161.48 : x
  2. Step 2: Convert to fraction form
    10,088.44/15,146.70 = 5,161.48/x
  3. Step 3: Cross multiply
    10,088.44x = 15,146.70 × 5,161.48
  4. Step 4: Simplify right side
    10,088.44x = 78,179,389.12
  5. Step 5: Solve for x
    x = 78,179,389.12/10,088.44
  6. Step 6: Final answer
    x = 7,749.40

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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.