Home / 8,997.02-12,416.02-5,220.36

Finding the Fourth Proportional to 8,997.02, 12,416.02 and 5,220.36

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Solution

The fourth proportional to 8,997.02, 12,416.02 and 5,220.36 is: 7,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.02 : 12,416.02 = 5,220.36 : x
  2. Step 2: Convert to fraction form
    8,997.02/12,416.02 = 5,220.36/x
  3. Step 3: Cross multiply
    8,997.02x = 12,416.02 × 5,220.36
  4. Step 4: Simplify right side
    8,997.02x = 64,816,094.17
  5. Step 5: Solve for x
    x = 64,816,094.17/8,997.02
  6. Step 6: Final answer
    x = 7,204.17

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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.