Home / 10,631.58-15,947.37-7,548.81

Finding the Fourth Proportional to 10,631.58, 15,947.37 and 7,548.81

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Solution

The fourth proportional to 10,631.58, 15,947.37 and 7,548.81 is: 11,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.58 : 15,947.37 = 7,548.81 : x
  2. Step 2: Convert to fraction form
    10,631.58/15,947.37 = 7,548.81/x
  3. Step 3: Cross multiply
    10,631.58x = 15,947.37 × 7,548.81
  4. Step 4: Simplify right side
    10,631.58x = 120,383,666.13
  5. Step 5: Solve for x
    x = 120,383,666.13/10,631.58
  6. Step 6: Final answer
    x = 11,323.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.