Home / 15,977.40-23,966.10-6,111.60

Finding the Fourth Proportional to 15,977.40, 23,966.10 and 6,111.60

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Solution

The fourth proportional to 15,977.40, 23,966.10 and 6,111.60 is: 9,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.40 : 23,966.10 = 6,111.60 : x
  2. Step 2: Convert to fraction form
    15,977.40/23,966.10 = 6,111.60/x
  3. Step 3: Cross multiply
    15,977.40x = 23,966.10 × 6,111.60
  4. Step 4: Simplify right side
    15,977.40x = 146,471,216.76
  5. Step 5: Solve for x
    x = 146,471,216.76/15,977.40
  6. Step 6: Final answer
    x = 9,167.40

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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.