Home / 8,710.46-12,020.38-4,731.56

Finding the Fourth Proportional to 8,710.46, 12,020.38 and 4,731.56

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Solution

The fourth proportional to 8,710.46, 12,020.38 and 4,731.56 is: 6,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.46 : 12,020.38 = 4,731.56 : x
  2. Step 2: Convert to fraction form
    8,710.46/12,020.38 = 4,731.56/x
  3. Step 3: Cross multiply
    8,710.46x = 12,020.38 × 4,731.56
  4. Step 4: Simplify right side
    8,710.46x = 56,875,149.19
  5. Step 5: Solve for x
    x = 56,875,149.19/8,710.46
  6. Step 6: Final answer
    x = 6,529.52

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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.