Home / 11,130.66-16,671.36-7,612.32

Finding the Fourth Proportional to 11,130.66, 16,671.36 and 7,612.32

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Solution

The fourth proportional to 11,130.66, 16,671.36 and 7,612.32 is: 11,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.66 : 16,671.36 = 7,612.32 : x
  2. Step 2: Convert to fraction form
    11,130.66/16,671.36 = 7,612.32/x
  3. Step 3: Cross multiply
    11,130.66x = 16,671.36 × 7,612.32
  4. Step 4: Simplify right side
    11,130.66x = 126,907,727.16
  5. Step 5: Solve for x
    x = 126,907,727.16/11,130.66
  6. Step 6: Final answer
    x = 11,401.64

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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.