Home / 10,364.02-15,543.74-4,122.87

Finding the Fourth Proportional to 10,364.02, 15,543.74 and 4,122.87

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Solution

The fourth proportional to 10,364.02, 15,543.74 and 4,122.87 is: 6,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.02 : 15,543.74 = 4,122.87 : x
  2. Step 2: Convert to fraction form
    10,364.02/15,543.74 = 4,122.87/x
  3. Step 3: Cross multiply
    10,364.02x = 15,543.74 × 4,122.87
  4. Step 4: Simplify right side
    10,364.02x = 64,084,771.35
  5. Step 5: Solve for x
    x = 64,084,771.35/10,364.02
  6. Step 6: Final answer
    x = 6,183.39

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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.