Home / 10,798.86-16,180.06-6,630.20

Finding the Fourth Proportional to 10,798.86, 16,180.06 and 6,630.20

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Solution

The fourth proportional to 10,798.86, 16,180.06 and 6,630.20 is: 9,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.86 : 16,180.06 = 6,630.20 : x
  2. Step 2: Convert to fraction form
    10,798.86/16,180.06 = 6,630.20/x
  3. Step 3: Cross multiply
    10,798.86x = 16,180.06 × 6,630.20
  4. Step 4: Simplify right side
    10,798.86x = 107,277,033.81
  5. Step 5: Solve for x
    x = 107,277,033.81/10,798.86
  6. Step 6: Final answer
    x = 9,934.11

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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.