Home / 15,607.31-23,406.10-5,216.63

Finding the Fourth Proportional to 15,607.31, 23,406.10 and 5,216.63

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Solution

The fourth proportional to 15,607.31, 23,406.10 and 5,216.63 is: 7,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.31 : 23,406.10 = 5,216.63 : x
  2. Step 2: Convert to fraction form
    15,607.31/23,406.10 = 5,216.63/x
  3. Step 3: Cross multiply
    15,607.31x = 23,406.10 × 5,216.63
  4. Step 4: Simplify right side
    15,607.31x = 122,100,963.44
  5. Step 5: Solve for x
    x = 122,100,963.44/15,607.31
  6. Step 6: Final answer
    x = 7,823.32

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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.