Home / 11,142.10-16,717.65-4,903.30

Finding the Fourth Proportional to 11,142.10, 16,717.65 and 4,903.30

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Solution

The fourth proportional to 11,142.10, 16,717.65 and 4,903.30 is: 7,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.10 : 16,717.65 = 4,903.30 : x
  2. Step 2: Convert to fraction form
    11,142.10/16,717.65 = 4,903.30/x
  3. Step 3: Cross multiply
    11,142.10x = 16,717.65 × 4,903.30
  4. Step 4: Simplify right side
    11,142.10x = 81,971,653.25
  5. Step 5: Solve for x
    x = 81,971,653.25/11,142.10
  6. Step 6: Final answer
    x = 7,356.93

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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.