Home / 10,521.62-15,779.19-3,594.50

Finding the Fourth Proportional to 10,521.62, 15,779.19 and 3,594.50

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Solution

The fourth proportional to 10,521.62, 15,779.19 and 3,594.50 is: 5,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.62 : 15,779.19 = 3,594.50 : x
  2. Step 2: Convert to fraction form
    10,521.62/15,779.19 = 3,594.50/x
  3. Step 3: Cross multiply
    10,521.62x = 15,779.19 × 3,594.50
  4. Step 4: Simplify right side
    10,521.62x = 56,718,298.46
  5. Step 5: Solve for x
    x = 56,718,298.46/10,521.62
  6. Step 6: Final answer
    x = 5,390.64

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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.