Home / 10,813.32-16,225.02-10,638.60

Finding the Fourth Proportional to 10,813.32, 16,225.02 and 10,638.60

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Solution

The fourth proportional to 10,813.32, 16,225.02 and 10,638.60 is: 15,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.32 : 16,225.02 = 10,638.60 : x
  2. Step 2: Convert to fraction form
    10,813.32/16,225.02 = 10,638.60/x
  3. Step 3: Cross multiply
    10,813.32x = 16,225.02 × 10,638.60
  4. Step 4: Simplify right side
    10,813.32x = 172,611,497.77
  5. Step 5: Solve for x
    x = 172,611,497.77/10,813.32
  6. Step 6: Final answer
    x = 15,962.86

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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.