Home / 8,616.47-11,887.92-5,030.63

Finding the Fourth Proportional to 8,616.47, 11,887.92 and 5,030.63

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Solution

The fourth proportional to 8,616.47, 11,887.92 and 5,030.63 is: 6,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.47 : 11,887.92 = 5,030.63 : x
  2. Step 2: Convert to fraction form
    8,616.47/11,887.92 = 5,030.63/x
  3. Step 3: Cross multiply
    8,616.47x = 11,887.92 × 5,030.63
  4. Step 4: Simplify right side
    8,616.47x = 59,803,726.99
  5. Step 5: Solve for x
    x = 59,803,726.99/8,616.47
  6. Step 6: Final answer
    x = 6,940.63

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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.