Home / 7,581.11-10,457.17-5,219.15

Finding the Fourth Proportional to 7,581.11, 10,457.17 and 5,219.15

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Solution

The fourth proportional to 7,581.11, 10,457.17 and 5,219.15 is: 7,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.11 : 10,457.17 = 5,219.15 : x
  2. Step 2: Convert to fraction form
    7,581.11/10,457.17 = 5,219.15/x
  3. Step 3: Cross multiply
    7,581.11x = 10,457.17 × 5,219.15
  4. Step 4: Simplify right side
    7,581.11x = 54,577,538.81
  5. Step 5: Solve for x
    x = 54,577,538.81/7,581.11
  6. Step 6: Final answer
    x = 7,199.15

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Double scale
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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.