Home / 8,719.83-12,033.50-4,740.95

Finding the Fourth Proportional to 8,719.83, 12,033.50 and 4,740.95

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Solution

The fourth proportional to 8,719.83, 12,033.50 and 4,740.95 is: 6,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.83 : 12,033.50 = 4,740.95 : x
  2. Step 2: Convert to fraction form
    8,719.83/12,033.50 = 4,740.95/x
  3. Step 3: Cross multiply
    8,719.83x = 12,033.50 × 4,740.95
  4. Step 4: Simplify right side
    8,719.83x = 57,050,137.95
  5. Step 5: Solve for x
    x = 57,050,137.95/8,719.83
  6. Step 6: Final answer
    x = 6,542.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.