Home / 8,602.17-11,873.51-5,618.45

Finding the Fourth Proportional to 8,602.17, 11,873.51 and 5,618.45

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Solution

The fourth proportional to 8,602.17, 11,873.51 and 5,618.45 is: 7,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.17 : 11,873.51 = 5,618.45 : x
  2. Step 2: Convert to fraction form
    8,602.17/11,873.51 = 5,618.45/x
  3. Step 3: Cross multiply
    8,602.17x = 11,873.51 × 5,618.45
  4. Step 4: Simplify right side
    8,602.17x = 66,710,722.26
  5. Step 5: Solve for x
    x = 66,710,722.26/8,602.17
  6. Step 6: Final answer
    x = 7,755.10

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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.