Home / 9,693.12-13,381.56-6,553.56

Finding the Fourth Proportional to 9,693.12, 13,381.56 and 6,553.56

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Solution

The fourth proportional to 9,693.12, 13,381.56 and 6,553.56 is: 9,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.12 : 13,381.56 = 6,553.56 : x
  2. Step 2: Convert to fraction form
    9,693.12/13,381.56 = 6,553.56/x
  3. Step 3: Cross multiply
    9,693.12x = 13,381.56 × 6,553.56
  4. Step 4: Simplify right side
    9,693.12x = 87,696,856.35
  5. Step 5: Solve for x
    x = 87,696,856.35/9,693.12
  6. Step 6: Final answer
    x = 9,047.33

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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.