Home / 11,150.32-15,385.93-6,673.05

Finding the Fourth Proportional to 11,150.32, 15,385.93 and 6,673.05

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Solution

The fourth proportional to 11,150.32, 15,385.93 and 6,673.05 is: 9,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.32 : 15,385.93 = 6,673.05 : x
  2. Step 2: Convert to fraction form
    11,150.32/15,385.93 = 6,673.05/x
  3. Step 3: Cross multiply
    11,150.32x = 15,385.93 × 6,673.05
  4. Step 4: Simplify right side
    11,150.32x = 102,671,080.19
  5. Step 5: Solve for x
    x = 102,671,080.19/11,150.32
  6. Step 6: Final answer
    x = 9,207.90

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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.