Home / 11,156.77-16,702.27-9,772.81

Finding the Fourth Proportional to 11,156.77, 16,702.27 and 9,772.81

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Solution

The fourth proportional to 11,156.77, 16,702.27 and 9,772.81 is: 14,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.77 : 16,702.27 = 9,772.81 : x
  2. Step 2: Convert to fraction form
    11,156.77/16,702.27 = 9,772.81/x
  3. Step 3: Cross multiply
    11,156.77x = 16,702.27 × 9,772.81
  4. Step 4: Simplify right side
    11,156.77x = 163,228,111.28
  5. Step 5: Solve for x
    x = 163,228,111.28/11,156.77
  6. Step 6: Final answer
    x = 14,630.41

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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.