Home / 11,702.02-16,139.60-10,359.04

Finding the Fourth Proportional to 11,702.02, 16,139.60 and 10,359.04

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Solution

The fourth proportional to 11,702.02, 16,139.60 and 10,359.04 is: 14,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.02 : 16,139.60 = 10,359.04 : x
  2. Step 2: Convert to fraction form
    11,702.02/16,139.60 = 10,359.04/x
  3. Step 3: Cross multiply
    11,702.02x = 16,139.60 × 10,359.04
  4. Step 4: Simplify right side
    11,702.02x = 167,190,761.98
  5. Step 5: Solve for x
    x = 167,190,761.98/11,702.02
  6. Step 6: Final answer
    x = 14,287.34

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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.