Home / 10,457.20-14,430.97-5,741.79

Finding the Fourth Proportional to 10,457.20, 14,430.97 and 5,741.79

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Solution

The fourth proportional to 10,457.20, 14,430.97 and 5,741.79 is: 7,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.20 : 14,430.97 = 5,741.79 : x
  2. Step 2: Convert to fraction form
    10,457.20/14,430.97 = 5,741.79/x
  3. Step 3: Cross multiply
    10,457.20x = 14,430.97 × 5,741.79
  4. Step 4: Simplify right side
    10,457.20x = 82,859,599.24
  5. Step 5: Solve for x
    x = 82,859,599.24/10,457.20
  6. Step 6: Final answer
    x = 7,923.69

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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.