Home / 10,935.90-15,100.14-8,804.66

Finding the Fourth Proportional to 10,935.90, 15,100.14 and 8,804.66

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Solution

The fourth proportional to 10,935.90, 15,100.14 and 8,804.66 is: 12,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.90 : 15,100.14 = 8,804.66 : x
  2. Step 2: Convert to fraction form
    10,935.90/15,100.14 = 8,804.66/x
  3. Step 3: Cross multiply
    10,935.90x = 15,100.14 × 8,804.66
  4. Step 4: Simplify right side
    10,935.90x = 132,951,598.65
  5. Step 5: Solve for x
    x = 132,951,598.65/10,935.90
  6. Step 6: Final answer
    x = 12,157.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.