Home / 10,642.86-15,952.68-4,066.20

Finding the Fourth Proportional to 10,642.86, 15,952.68 and 4,066.20

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Solution

The fourth proportional to 10,642.86, 15,952.68 and 4,066.20 is: 6,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.86 : 15,952.68 = 4,066.20 : x
  2. Step 2: Convert to fraction form
    10,642.86/15,952.68 = 4,066.20/x
  3. Step 3: Cross multiply
    10,642.86x = 15,952.68 × 4,066.20
  4. Step 4: Simplify right side
    10,642.86x = 64,866,787.42
  5. Step 5: Solve for x
    x = 64,866,787.42/10,642.86
  6. Step 6: Final answer
    x = 6,094.86

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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.