Home / 7,422.67-11,130.53-4,303.56

Finding the Fourth Proportional to 7,422.67, 11,130.53 and 4,303.56

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Solution

The fourth proportional to 7,422.67, 11,130.53 and 4,303.56 is: 6,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.67 : 11,130.53 = 4,303.56 : x
  2. Step 2: Convert to fraction form
    7,422.67/11,130.53 = 4,303.56/x
  3. Step 3: Cross multiply
    7,422.67x = 11,130.53 × 4,303.56
  4. Step 4: Simplify right side
    7,422.67x = 47,900,948.12
  5. Step 5: Solve for x
    x = 47,900,948.12/7,422.67
  6. Step 6: Final answer
    x = 6,453.33

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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.