Home / 10,828.52-14,943.36-6,112.68

Finding the Fourth Proportional to 10,828.52, 14,943.36 and 6,112.68

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Solution

The fourth proportional to 10,828.52, 14,943.36 and 6,112.68 is: 8,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.52 : 14,943.36 = 6,112.68 : x
  2. Step 2: Convert to fraction form
    10,828.52/14,943.36 = 6,112.68/x
  3. Step 3: Cross multiply
    10,828.52x = 14,943.36 × 6,112.68
  4. Step 4: Simplify right side
    10,828.52x = 91,343,977.80
  5. Step 5: Solve for x
    x = 91,343,977.80/10,828.52
  6. Step 6: Final answer
    x = 8,435.50

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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.