Home / 10,907.30-15,051.67-6,665.46

Finding the Fourth Proportional to 10,907.30, 15,051.67 and 6,665.46

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Solution

The fourth proportional to 10,907.30, 15,051.67 and 6,665.46 is: 9,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.30 : 15,051.67 = 6,665.46 : x
  2. Step 2: Convert to fraction form
    10,907.30/15,051.67 = 6,665.46/x
  3. Step 3: Cross multiply
    10,907.30x = 15,051.67 × 6,665.46
  4. Step 4: Simplify right side
    10,907.30x = 100,326,304.32
  5. Step 5: Solve for x
    x = 100,326,304.32/10,907.30
  6. Step 6: Final answer
    x = 9,198.09

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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.