Home / 10,828.79-14,945.11-6,352.53

Finding the Fourth Proportional to 10,828.79, 14,945.11 and 6,352.53

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Solution

The fourth proportional to 10,828.79, 14,945.11 and 6,352.53 is: 8,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.79 : 14,945.11 = 6,352.53 : x
  2. Step 2: Convert to fraction form
    10,828.79/14,945.11 = 6,352.53/x
  3. Step 3: Cross multiply
    10,828.79x = 14,945.11 × 6,352.53
  4. Step 4: Simplify right side
    10,828.79x = 94,939,187.70
  5. Step 5: Solve for x
    x = 94,939,187.70/10,828.79
  6. Step 6: Final answer
    x = 8,767.30

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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.