Home / 11,527.18-15,907.82-6,491.58

Finding the Fourth Proportional to 11,527.18, 15,907.82 and 6,491.58

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Solution

The fourth proportional to 11,527.18, 15,907.82 and 6,491.58 is: 8,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.18 : 15,907.82 = 6,491.58 : x
  2. Step 2: Convert to fraction form
    11,527.18/15,907.82 = 6,491.58/x
  3. Step 3: Cross multiply
    11,527.18x = 15,907.82 × 6,491.58
  4. Step 4: Simplify right side
    11,527.18x = 103,266,886.16
  5. Step 5: Solve for x
    x = 103,266,886.16/11,527.18
  6. Step 6: Final answer
    x = 8,958.56

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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.