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Finding the Fourth Proportional to 8,953.66, 12,362.21 and 5,598.10

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Solution

The fourth proportional to 8,953.66, 12,362.21 and 5,598.10 is: 7,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.66 : 12,362.21 = 5,598.10 : x
  2. Step 2: Convert to fraction form
    8,953.66/12,362.21 = 5,598.10/x
  3. Step 3: Cross multiply
    8,953.66x = 12,362.21 × 5,598.10
  4. Step 4: Simplify right side
    8,953.66x = 69,204,887.80
  5. Step 5: Solve for x
    x = 69,204,887.80/8,953.66
  6. Step 6: Final answer
    x = 7,729.23

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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.