Home / 10,990.02-15,165.91-6,452.63

Finding the Fourth Proportional to 10,990.02, 15,165.91 and 6,452.63

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Solution

The fourth proportional to 10,990.02, 15,165.91 and 6,452.63 is: 8,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.02 : 15,165.91 = 6,452.63 : x
  2. Step 2: Convert to fraction form
    10,990.02/15,165.91 = 6,452.63/x
  3. Step 3: Cross multiply
    10,990.02x = 15,165.91 × 6,452.63
  4. Step 4: Simplify right side
    10,990.02x = 97,860,005.84
  5. Step 5: Solve for x
    x = 97,860,005.84/10,990.02
  6. Step 6: Final answer
    x = 8,904.44

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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.