Home / 8,250.74-11,384.90-4,665.68

Finding the Fourth Proportional to 8,250.74, 11,384.90 and 4,665.68

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Solution

The fourth proportional to 8,250.74, 11,384.90 and 4,665.68 is: 6,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.74 : 11,384.90 = 4,665.68 : x
  2. Step 2: Convert to fraction form
    8,250.74/11,384.90 = 4,665.68/x
  3. Step 3: Cross multiply
    8,250.74x = 11,384.90 × 4,665.68
  4. Step 4: Simplify right side
    8,250.74x = 53,118,300.23
  5. Step 5: Solve for x
    x = 53,118,300.23/8,250.74
  6. Step 6: Final answer
    x = 6,438.00

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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.