Home / 10,181.63-15,341.80-8,373.25

Finding the Fourth Proportional to 10,181.63, 15,341.80 and 8,373.25

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Solution

The fourth proportional to 10,181.63, 15,341.80 and 8,373.25 is: 12,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.63 : 15,341.80 = 8,373.25 : x
  2. Step 2: Convert to fraction form
    10,181.63/15,341.80 = 8,373.25/x
  3. Step 3: Cross multiply
    10,181.63x = 15,341.80 × 8,373.25
  4. Step 4: Simplify right side
    10,181.63x = 128,460,726.85
  5. Step 5: Solve for x
    x = 128,460,726.85/10,181.63
  6. Step 6: Final answer
    x = 12,616.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.