Home / 37,872.16-56,803.20-10,172.32

Finding the Fourth Proportional to 37,872.16, 56,803.20 and 10,172.32

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Solution

The fourth proportional to 37,872.16, 56,803.20 and 10,172.32 is: 15,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.16 : 56,803.20 = 10,172.32 : x
  2. Step 2: Convert to fraction form
    37,872.16/56,803.20 = 10,172.32/x
  3. Step 3: Cross multiply
    37,872.16x = 56,803.20 × 10,172.32
  4. Step 4: Simplify right side
    37,872.16x = 577,820,327.42
  5. Step 5: Solve for x
    x = 577,820,327.42/37,872.16
  6. Step 6: Final answer
    x = 15,257.13

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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.