Home / 15,647.18-23,471.07-5,117.28

Finding the Fourth Proportional to 15,647.18, 23,471.07 and 5,117.28

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Solution

The fourth proportional to 15,647.18, 23,471.07 and 5,117.28 is: 7,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.18 : 23,471.07 = 5,117.28 : x
  2. Step 2: Convert to fraction form
    15,647.18/23,471.07 = 5,117.28/x
  3. Step 3: Cross multiply
    15,647.18x = 23,471.07 × 5,117.28
  4. Step 4: Simplify right side
    15,647.18x = 120,107,929.88
  5. Step 5: Solve for x
    x = 120,107,929.88/15,647.18
  6. Step 6: Final answer
    x = 7,676.01

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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.