Home / 10,907.93-15,052.54-6,666.09

Finding the Fourth Proportional to 10,907.93, 15,052.54 and 6,666.09

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Solution

The fourth proportional to 10,907.93, 15,052.54 and 6,666.09 is: 9,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.93 : 15,052.54 = 6,666.09 : x
  2. Step 2: Convert to fraction form
    10,907.93/15,052.54 = 6,666.09/x
  3. Step 3: Cross multiply
    10,907.93x = 15,052.54 × 6,666.09
  4. Step 4: Simplify right side
    10,907.93x = 100,341,586.37
  5. Step 5: Solve for x
    x = 100,341,586.37/10,907.93
  6. Step 6: Final answer
    x = 9,198.96

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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.