Home / 8,386.24-11,572.56-4,660

Finding the Fourth Proportional to 8,386.24, 11,572.56 and 4,660

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Solution

The fourth proportional to 8,386.24, 11,572.56 and 4,660 is: 6,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.24 : 11,572.56 = 4,660 : x
  2. Step 2: Convert to fraction form
    8,386.24/11,572.56 = 4,660/x
  3. Step 3: Cross multiply
    8,386.24x = 11,572.56 × 4,660
  4. Step 4: Simplify right side
    8,386.24x = 53,928,129.60
  5. Step 5: Solve for x
    x = 53,928,129.60/8,386.24
  6. Step 6: Final answer
    x = 6,430.55

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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.