Home / 10,133.86-15,208.54-6,622.88

Finding the Fourth Proportional to 10,133.86, 15,208.54 and 6,622.88

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Solution

The fourth proportional to 10,133.86, 15,208.54 and 6,622.88 is: 9,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.86 : 15,208.54 = 6,622.88 : x
  2. Step 2: Convert to fraction form
    10,133.86/15,208.54 = 6,622.88/x
  3. Step 3: Cross multiply
    10,133.86x = 15,208.54 × 6,622.88
  4. Step 4: Simplify right side
    10,133.86x = 100,724,335.40
  5. Step 5: Solve for x
    x = 100,724,335.40/10,133.86
  6. Step 6: Final answer
    x = 9,939.38

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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.