Home / 8,702.46-13,053.69-5,261.58

Finding the Fourth Proportional to 8,702.46, 13,053.69 and 5,261.58

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Solution

The fourth proportional to 8,702.46, 13,053.69 and 5,261.58 is: 7,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.46 : 13,053.69 = 5,261.58 : x
  2. Step 2: Convert to fraction form
    8,702.46/13,053.69 = 5,261.58/x
  3. Step 3: Cross multiply
    8,702.46x = 13,053.69 × 5,261.58
  4. Step 4: Simplify right side
    8,702.46x = 68,683,034.23
  5. Step 5: Solve for x
    x = 68,683,034.23/8,702.46
  6. Step 6: Final answer
    x = 7,892.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.