Home / 7,339.55-11,008.42-3,124.50

Finding the Fourth Proportional to 7,339.55, 11,008.42 and 3,124.50

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Solution

The fourth proportional to 7,339.55, 11,008.42 and 3,124.50 is: 4,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.55 : 11,008.42 = 3,124.50 : x
  2. Step 2: Convert to fraction form
    7,339.55/11,008.42 = 3,124.50/x
  3. Step 3: Cross multiply
    7,339.55x = 11,008.42 × 3,124.50
  4. Step 4: Simplify right side
    7,339.55x = 34,395,776.77
  5. Step 5: Solve for x
    x = 34,395,776.77/7,339.55
  6. Step 6: Final answer
    x = 4,686.36

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Half scale
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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.