Home / 11,053.20-15,248.90-6,802.98

Finding the Fourth Proportional to 11,053.20, 15,248.90 and 6,802.98

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Solution

The fourth proportional to 11,053.20, 15,248.90 and 6,802.98 is: 9,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.20 : 15,248.90 = 6,802.98 : x
  2. Step 2: Convert to fraction form
    11,053.20/15,248.90 = 6,802.98/x
  3. Step 3: Cross multiply
    11,053.20x = 15,248.90 × 6,802.98
  4. Step 4: Simplify right side
    11,053.20x = 103,737,870.52
  5. Step 5: Solve for x
    x = 103,737,870.52/11,053.20
  6. Step 6: Final answer
    x = 9,385.33

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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.