Home / 8,332.76-12,501.87-3,406.55

Finding the Fourth Proportional to 8,332.76, 12,501.87 and 3,406.55

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Solution

The fourth proportional to 8,332.76, 12,501.87 and 3,406.55 is: 5,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.76 : 12,501.87 = 3,406.55 : x
  2. Step 2: Convert to fraction form
    8,332.76/12,501.87 = 3,406.55/x
  3. Step 3: Cross multiply
    8,332.76x = 12,501.87 × 3,406.55
  4. Step 4: Simplify right side
    8,332.76x = 42,588,182.74
  5. Step 5: Solve for x
    x = 42,588,182.74/8,332.76
  6. Step 6: Final answer
    x = 5,110.94

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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.