Home / 10,922.02-15,071.94-6,205.78

Finding the Fourth Proportional to 10,922.02, 15,071.94 and 6,205.78

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Solution

The fourth proportional to 10,922.02, 15,071.94 and 6,205.78 is: 8,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.02 : 15,071.94 = 6,205.78 : x
  2. Step 2: Convert to fraction form
    10,922.02/15,071.94 = 6,205.78/x
  3. Step 3: Cross multiply
    10,922.02x = 15,071.94 × 6,205.78
  4. Step 4: Simplify right side
    10,922.02x = 93,533,143.81
  5. Step 5: Solve for x
    x = 93,533,143.81/10,922.02
  6. Step 6: Final answer
    x = 8,563.72

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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.