Home / 10,788.48-14,889.24-6,313.68

Finding the Fourth Proportional to 10,788.48, 14,889.24 and 6,313.68

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Solution

The fourth proportional to 10,788.48, 14,889.24 and 6,313.68 is: 8,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.48 : 14,889.24 = 6,313.68 : x
  2. Step 2: Convert to fraction form
    10,788.48/14,889.24 = 6,313.68/x
  3. Step 3: Cross multiply
    10,788.48x = 14,889.24 × 6,313.68
  4. Step 4: Simplify right side
    10,788.48x = 94,005,896.80
  5. Step 5: Solve for x
    x = 94,005,896.80/10,788.48
  6. Step 6: Final answer
    x = 8,713.54

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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.