Home / 10,521.12-15,778.44-3,594

Finding the Fourth Proportional to 10,521.12, 15,778.44 and 3,594

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Solution

The fourth proportional to 10,521.12, 15,778.44 and 3,594 is: 5,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.12 : 15,778.44 = 3,594 : x
  2. Step 2: Convert to fraction form
    10,521.12/15,778.44 = 3,594/x
  3. Step 3: Cross multiply
    10,521.12x = 15,778.44 × 3,594
  4. Step 4: Simplify right side
    10,521.12x = 56,707,713.36
  5. Step 5: Solve for x
    x = 56,707,713.36/10,521.12
  6. Step 6: Final answer
    x = 5,389.89

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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.