Home / 10,907.16-15,051.47-6,665.31

Finding the Fourth Proportional to 10,907.16, 15,051.47 and 6,665.31

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Solution

The fourth proportional to 10,907.16, 15,051.47 and 6,665.31 is: 9,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.16 : 15,051.47 = 6,665.31 : x
  2. Step 2: Convert to fraction form
    10,907.16/15,051.47 = 6,665.31/x
  3. Step 3: Cross multiply
    10,907.16x = 15,051.47 × 6,665.31
  4. Step 4: Simplify right side
    10,907.16x = 100,322,761.62
  5. Step 5: Solve for x
    x = 100,322,761.62/10,907.16
  6. Step 6: Final answer
    x = 9,197.88

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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.