Home / 10,637.63-15,928.56-7,500.65

Finding the Fourth Proportional to 10,637.63, 15,928.56 and 7,500.65

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Solution

The fourth proportional to 10,637.63, 15,928.56 and 7,500.65 is: 11,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.63 : 15,928.56 = 7,500.65 : x
  2. Step 2: Convert to fraction form
    10,637.63/15,928.56 = 7,500.65/x
  3. Step 3: Cross multiply
    10,637.63x = 15,928.56 × 7,500.65
  4. Step 4: Simplify right side
    10,637.63x = 119,474,473.92
  5. Step 5: Solve for x
    x = 119,474,473.92/10,637.63
  6. Step 6: Final answer
    x = 11,231.31

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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.