Home / 10,878.08-16,316.96-2,670.08

Finding the Fourth Proportional to 10,878.08, 16,316.96 and 2,670.08

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Solution

The fourth proportional to 10,878.08, 16,316.96 and 2,670.08 is: 4,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.08 : 16,316.96 = 2,670.08 : x
  2. Step 2: Convert to fraction form
    10,878.08/16,316.96 = 2,670.08/x
  3. Step 3: Cross multiply
    10,878.08x = 16,316.96 × 2,670.08
  4. Step 4: Simplify right side
    10,878.08x = 43,567,588.56
  5. Step 5: Solve for x
    x = 43,567,588.56/10,878.08
  6. Step 6: Final answer
    x = 4,005.08

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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.