Home / 11,313.38-16,955.48-8,368.22

Finding the Fourth Proportional to 11,313.38, 16,955.48 and 8,368.22

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Solution

The fourth proportional to 11,313.38, 16,955.48 and 8,368.22 is: 12,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.38 : 16,955.48 = 8,368.22 : x
  2. Step 2: Convert to fraction form
    11,313.38/16,955.48 = 8,368.22/x
  3. Step 3: Cross multiply
    11,313.38x = 16,955.48 × 8,368.22
  4. Step 4: Simplify right side
    11,313.38x = 141,887,060.23
  5. Step 5: Solve for x
    x = 141,887,060.23/11,313.38
  6. Step 6: Final answer
    x = 12,541.53

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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.