Home / 11,688.12-17,504.24-6,415.02

Finding the Fourth Proportional to 11,688.12, 17,504.24 and 6,415.02

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Solution

The fourth proportional to 11,688.12, 17,504.24 and 6,415.02 is: 9,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.12 : 17,504.24 = 6,415.02 : x
  2. Step 2: Convert to fraction form
    11,688.12/17,504.24 = 6,415.02/x
  3. Step 3: Cross multiply
    11,688.12x = 17,504.24 × 6,415.02
  4. Step 4: Simplify right side
    11,688.12x = 112,290,017.61
  5. Step 5: Solve for x
    x = 112,290,017.61/11,688.12
  6. Step 6: Final answer
    x = 9,607.19

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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.