Home / 10,753.62-16,127.37-4,178.40

Finding the Fourth Proportional to 10,753.62, 16,127.37 and 4,178.40

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Solution

The fourth proportional to 10,753.62, 16,127.37 and 4,178.40 is: 6,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.62 : 16,127.37 = 4,178.40 : x
  2. Step 2: Convert to fraction form
    10,753.62/16,127.37 = 4,178.40/x
  3. Step 3: Cross multiply
    10,753.62x = 16,127.37 × 4,178.40
  4. Step 4: Simplify right side
    10,753.62x = 67,386,602.81
  5. Step 5: Solve for x
    x = 67,386,602.81/10,753.62
  6. Step 6: Final answer
    x = 6,266.41

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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.