Home / 16,405.02-24,611.13-5,312.85

Finding the Fourth Proportional to 16,405.02, 24,611.13 and 5,312.85

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Solution

The fourth proportional to 16,405.02, 24,611.13 and 5,312.85 is: 7,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.02 : 24,611.13 = 5,312.85 : x
  2. Step 2: Convert to fraction form
    16,405.02/24,611.13 = 5,312.85/x
  3. Step 3: Cross multiply
    16,405.02x = 24,611.13 × 5,312.85
  4. Step 4: Simplify right side
    16,405.02x = 130,755,242.02
  5. Step 5: Solve for x
    x = 130,755,242.02/16,405.02
  6. Step 6: Final answer
    x = 7,970.44

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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.