Home / 10,181.39-14,050.19-5,705.12

Finding the Fourth Proportional to 10,181.39, 14,050.19 and 5,705.12

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Solution

The fourth proportional to 10,181.39, 14,050.19 and 5,705.12 is: 7,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.39 : 14,050.19 = 5,705.12 : x
  2. Step 2: Convert to fraction form
    10,181.39/14,050.19 = 5,705.12/x
  3. Step 3: Cross multiply
    10,181.39x = 14,050.19 × 5,705.12
  4. Step 4: Simplify right side
    10,181.39x = 80,158,069.36
  5. Step 5: Solve for x
    x = 80,158,069.36/10,181.39
  6. Step 6: Final answer
    x = 7,873.00

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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.