Home / 9,835.28-13,572.60-5,643.56

Finding the Fourth Proportional to 9,835.28, 13,572.60 and 5,643.56

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Solution

The fourth proportional to 9,835.28, 13,572.60 and 5,643.56 is: 7,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.28 : 13,572.60 = 5,643.56 : x
  2. Step 2: Convert to fraction form
    9,835.28/13,572.60 = 5,643.56/x
  3. Step 3: Cross multiply
    9,835.28x = 13,572.60 × 5,643.56
  4. Step 4: Simplify right side
    9,835.28x = 76,597,782.46
  5. Step 5: Solve for x
    x = 76,597,782.46/9,835.28
  6. Step 6: Final answer
    x = 7,788.06

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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.