Home / 8,276.87-11,421.15-4,740.77

Finding the Fourth Proportional to 8,276.87, 11,421.15 and 4,740.77

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Solution

The fourth proportional to 8,276.87, 11,421.15 and 4,740.77 is: 6,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.87 : 11,421.15 = 4,740.77 : x
  2. Step 2: Convert to fraction form
    8,276.87/11,421.15 = 4,740.77/x
  3. Step 3: Cross multiply
    8,276.87x = 11,421.15 × 4,740.77
  4. Step 4: Simplify right side
    8,276.87x = 54,145,045.29
  5. Step 5: Solve for x
    x = 54,145,045.29/8,276.87
  6. Step 6: Final answer
    x = 6,541.73

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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.