Home / 8,710.10-12,012.53-5,877.02

Finding the Fourth Proportional to 8,710.10, 12,012.53 and 5,877.02

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Solution

The fourth proportional to 8,710.10, 12,012.53 and 5,877.02 is: 8,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.10 : 12,012.53 = 5,877.02 : x
  2. Step 2: Convert to fraction form
    8,710.10/12,012.53 = 5,877.02/x
  3. Step 3: Cross multiply
    8,710.10x = 12,012.53 × 5,877.02
  4. Step 4: Simplify right side
    8,710.10x = 70,597,879.06
  5. Step 5: Solve for x
    x = 70,597,879.06/8,710.10
  6. Step 6: Final answer
    x = 8,105.29

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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.