Home / 10,322.96-15,486.65-3,207.05

Finding the Fourth Proportional to 10,322.96, 15,486.65 and 3,207.05

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Solution

The fourth proportional to 10,322.96, 15,486.65 and 3,207.05 is: 4,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.96 : 15,486.65 = 3,207.05 : x
  2. Step 2: Convert to fraction form
    10,322.96/15,486.65 = 3,207.05/x
  3. Step 3: Cross multiply
    10,322.96x = 15,486.65 × 3,207.05
  4. Step 4: Simplify right side
    10,322.96x = 49,666,460.88
  5. Step 5: Solve for x
    x = 49,666,460.88/10,322.96
  6. Step 6: Final answer
    x = 4,811.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.