Home / 12,110.30-18,165.45-10,468.70

Finding the Fourth Proportional to 12,110.30, 18,165.45 and 10,468.70

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Solution

The fourth proportional to 12,110.30, 18,165.45 and 10,468.70 is: 15,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.30 : 18,165.45 = 10,468.70 : x
  2. Step 2: Convert to fraction form
    12,110.30/18,165.45 = 10,468.70/x
  3. Step 3: Cross multiply
    12,110.30x = 18,165.45 × 10,468.70
  4. Step 4: Simplify right side
    12,110.30x = 190,168,646.42
  5. Step 5: Solve for x
    x = 190,168,646.42/12,110.30
  6. Step 6: Final answer
    x = 15,703.05

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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.