Home / 10,215.73-14,097.18-5,739.67

Finding the Fourth Proportional to 10,215.73, 14,097.18 and 5,739.67

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Solution

The fourth proportional to 10,215.73, 14,097.18 and 5,739.67 is: 7,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.73 : 14,097.18 = 5,739.67 : x
  2. Step 2: Convert to fraction form
    10,215.73/14,097.18 = 5,739.67/x
  3. Step 3: Cross multiply
    10,215.73x = 14,097.18 × 5,739.67
  4. Step 4: Simplify right side
    10,215.73x = 80,913,161.13
  5. Step 5: Solve for x
    x = 80,913,161.13/10,215.73
  6. Step 6: Final answer
    x = 7,920.45

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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.