Home / 11,461.32-15,816.66-6,684.10

Finding the Fourth Proportional to 11,461.32, 15,816.66 and 6,684.10

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Solution

The fourth proportional to 11,461.32, 15,816.66 and 6,684.10 is: 9,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.32 : 15,816.66 = 6,684.10 : x
  2. Step 2: Convert to fraction form
    11,461.32/15,816.66 = 6,684.10/x
  3. Step 3: Cross multiply
    11,461.32x = 15,816.66 × 6,684.10
  4. Step 4: Simplify right side
    11,461.32x = 105,720,137.11
  5. Step 5: Solve for x
    x = 105,720,137.11/11,461.32
  6. Step 6: Final answer
    x = 9,224.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.