Home / 10,900.66-16,335.36-6,210.97

Finding the Fourth Proportional to 10,900.66, 16,335.36 and 6,210.97

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Solution

The fourth proportional to 10,900.66, 16,335.36 and 6,210.97 is: 9,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.66 : 16,335.36 = 6,210.97 : x
  2. Step 2: Convert to fraction form
    10,900.66/16,335.36 = 6,210.97/x
  3. Step 3: Cross multiply
    10,900.66x = 16,335.36 × 6,210.97
  4. Step 4: Simplify right side
    10,900.66x = 101,458,430.90
  5. Step 5: Solve for x
    x = 101,458,430.90/10,900.66
  6. Step 6: Final answer
    x = 9,307.55

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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.