Home / 11,931.64-17,904.50-4,542.32

Finding the Fourth Proportional to 11,931.64, 17,904.50 and 4,542.32

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Solution

The fourth proportional to 11,931.64, 17,904.50 and 4,542.32 is: 6,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.64 : 17,904.50 = 4,542.32 : x
  2. Step 2: Convert to fraction form
    11,931.64/17,904.50 = 4,542.32/x
  3. Step 3: Cross multiply
    11,931.64x = 17,904.50 × 4,542.32
  4. Step 4: Simplify right side
    11,931.64x = 81,327,968.44
  5. Step 5: Solve for x
    x = 81,327,968.44/11,931.64
  6. Step 6: Final answer
    x = 6,816.16

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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.