Home / 10,999.02-16,498.80-3,610.20

Finding the Fourth Proportional to 10,999.02, 16,498.80 and 3,610.20

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Solution

The fourth proportional to 10,999.02, 16,498.80 and 3,610.20 is: 5,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.02 : 16,498.80 = 3,610.20 : x
  2. Step 2: Convert to fraction form
    10,999.02/16,498.80 = 3,610.20/x
  3. Step 3: Cross multiply
    10,999.02x = 16,498.80 × 3,610.20
  4. Step 4: Simplify right side
    10,999.02x = 59,563,967.76
  5. Step 5: Solve for x
    x = 59,563,967.76/10,999.02
  6. Step 6: Final answer
    x = 5,415.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.