Home / 10,206.35-15,315.66-4,362.96

Finding the Fourth Proportional to 10,206.35, 15,315.66 and 4,362.96

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Solution

The fourth proportional to 10,206.35, 15,315.66 and 4,362.96 is: 6,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.35 : 15,315.66 = 4,362.96 : x
  2. Step 2: Convert to fraction form
    10,206.35/15,315.66 = 4,362.96/x
  3. Step 3: Cross multiply
    10,206.35x = 15,315.66 × 4,362.96
  4. Step 4: Simplify right side
    10,206.35x = 66,821,611.95
  5. Step 5: Solve for x
    x = 66,821,611.95/10,206.35
  6. Step 6: Final answer
    x = 6,547.06

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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.