Home / 10,445.02-15,665.83-3,047.74

Finding the Fourth Proportional to 10,445.02, 15,665.83 and 3,047.74

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Solution

The fourth proportional to 10,445.02, 15,665.83 and 3,047.74 is: 4,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.02 : 15,665.83 = 3,047.74 : x
  2. Step 2: Convert to fraction form
    10,445.02/15,665.83 = 3,047.74/x
  3. Step 3: Cross multiply
    10,445.02x = 15,665.83 × 3,047.74
  4. Step 4: Simplify right side
    10,445.02x = 47,745,329.94
  5. Step 5: Solve for x
    x = 47,745,329.94/10,445.02
  6. Step 6: Final answer
    x = 4,571.11

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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.