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Finding the Fourth Proportional to 8,709.03, 12,010.50 and 6,476.49

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Solution

The fourth proportional to 8,709.03, 12,010.50 and 6,476.49 is: 8,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.03 : 12,010.50 = 6,476.49 : x
  2. Step 2: Convert to fraction form
    8,709.03/12,010.50 = 6,476.49/x
  3. Step 3: Cross multiply
    8,709.03x = 12,010.50 × 6,476.49
  4. Step 4: Simplify right side
    8,709.03x = 77,785,883.15
  5. Step 5: Solve for x
    x = 77,785,883.15/8,709.03
  6. Step 6: Final answer
    x = 8,931.64

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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.