Home / 11,370.24-15,693.75-7,125.03

Finding the Fourth Proportional to 11,370.24, 15,693.75 and 7,125.03

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Solution

The fourth proportional to 11,370.24, 15,693.75 and 7,125.03 is: 9,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.24 : 15,693.75 = 7,125.03 : x
  2. Step 2: Convert to fraction form
    11,370.24/15,693.75 = 7,125.03/x
  3. Step 3: Cross multiply
    11,370.24x = 15,693.75 × 7,125.03
  4. Step 4: Simplify right side
    11,370.24x = 111,818,439.56
  5. Step 5: Solve for x
    x = 111,818,439.56/11,370.24
  6. Step 6: Final answer
    x = 9,834.31

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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.