Home / 7,346.15-10,138.99-4,159.63

Finding the Fourth Proportional to 7,346.15, 10,138.99 and 4,159.63

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Solution

The fourth proportional to 7,346.15, 10,138.99 and 4,159.63 is: 5,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.15 : 10,138.99 = 4,159.63 : x
  2. Step 2: Convert to fraction form
    7,346.15/10,138.99 = 4,159.63/x
  3. Step 3: Cross multiply
    7,346.15x = 10,138.99 × 4,159.63
  4. Step 4: Simplify right side
    7,346.15x = 42,174,446.97
  5. Step 5: Solve for x
    x = 42,174,446.97/7,346.15
  6. Step 6: Final answer
    x = 5,741.03

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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.