Home / 10,752.81-16,129.19-7,054.16

Finding the Fourth Proportional to 10,752.81, 16,129.19 and 7,054.16

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Solution

The fourth proportional to 10,752.81, 16,129.19 and 7,054.16 is: 10,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.81 : 16,129.19 = 7,054.16 : x
  2. Step 2: Convert to fraction form
    10,752.81/16,129.19 = 7,054.16/x
  3. Step 3: Cross multiply
    10,752.81x = 16,129.19 × 7,054.16
  4. Step 4: Simplify right side
    10,752.81x = 113,777,823.92
  5. Step 5: Solve for x
    x = 113,777,823.92/10,752.81
  6. Step 6: Final answer
    x = 10,581.22

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1.5x scale

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.