Home / 7,624.48-11,437.80-2,430.76

Finding the Fourth Proportional to 7,624.48, 11,437.80 and 2,430.76

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Solution

The fourth proportional to 7,624.48, 11,437.80 and 2,430.76 is: 3,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.48 : 11,437.80 = 2,430.76 : x
  2. Step 2: Convert to fraction form
    7,624.48/11,437.80 = 2,430.76/x
  3. Step 3: Cross multiply
    7,624.48x = 11,437.80 × 2,430.76
  4. Step 4: Simplify right side
    7,624.48x = 27,802,546.73
  5. Step 5: Solve for x
    x = 27,802,546.73/7,624.48
  6. Step 6: Final answer
    x = 3,646.48

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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.