Home / 11,705.16-16,153.08-6,400.04

Finding the Fourth Proportional to 11,705.16, 16,153.08 and 6,400.04

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Solution

The fourth proportional to 11,705.16, 16,153.08 and 6,400.04 is: 8,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.16 : 16,153.08 = 6,400.04 : x
  2. Step 2: Convert to fraction form
    11,705.16/16,153.08 = 6,400.04/x
  3. Step 3: Cross multiply
    11,705.16x = 16,153.08 × 6,400.04
  4. Step 4: Simplify right side
    11,705.16x = 103,380,358.12
  5. Step 5: Solve for x
    x = 103,380,358.12/11,705.16
  6. Step 6: Final answer
    x = 8,832.03

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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.