Home / 8,415.24-11,612.52-4,877.76

Finding the Fourth Proportional to 8,415.24, 11,612.52 and 4,877.76

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Solution

The fourth proportional to 8,415.24, 11,612.52 and 4,877.76 is: 6,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.24 : 11,612.52 = 4,877.76 : x
  2. Step 2: Convert to fraction form
    8,415.24/11,612.52 = 4,877.76/x
  3. Step 3: Cross multiply
    8,415.24x = 11,612.52 × 4,877.76
  4. Step 4: Simplify right side
    8,415.24x = 56,643,085.56
  5. Step 5: Solve for x
    x = 56,643,085.56/8,415.24
  6. Step 6: Final answer
    x = 6,731.01

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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.