Home / 11,313.08-15,615.02-6,346.68

Finding the Fourth Proportional to 11,313.08, 15,615.02 and 6,346.68

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Solution

The fourth proportional to 11,313.08, 15,615.02 and 6,346.68 is: 8,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.08 : 15,615.02 = 6,346.68 : x
  2. Step 2: Convert to fraction form
    11,313.08/15,615.02 = 6,346.68/x
  3. Step 3: Cross multiply
    11,313.08x = 15,615.02 × 6,346.68
  4. Step 4: Simplify right side
    11,313.08x = 99,103,535.13
  5. Step 5: Solve for x
    x = 99,103,535.13/11,313.08
  6. Step 6: Final answer
    x = 8,760.08

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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.