Home / 10,762.91-16,141.29-4,187.55

Finding the Fourth Proportional to 10,762.91, 16,141.29 and 4,187.55

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Solution

The fourth proportional to 10,762.91, 16,141.29 and 4,187.55 is: 6,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.91 : 16,141.29 = 4,187.55 : x
  2. Step 2: Convert to fraction form
    10,762.91/16,141.29 = 4,187.55/x
  3. Step 3: Cross multiply
    10,762.91x = 16,141.29 × 4,187.55
  4. Step 4: Simplify right side
    10,762.91x = 67,592,458.94
  5. Step 5: Solve for x
    x = 67,592,458.94/10,762.91
  6. Step 6: Final answer
    x = 6,280.13

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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.