Home / 9,845.66-13,586.88-5,369.31

Finding the Fourth Proportional to 9,845.66, 13,586.88 and 5,369.31

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Solution

The fourth proportional to 9,845.66, 13,586.88 and 5,369.31 is: 7,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.66 : 13,586.88 = 5,369.31 : x
  2. Step 2: Convert to fraction form
    9,845.66/13,586.88 = 5,369.31/x
  3. Step 3: Cross multiply
    9,845.66x = 13,586.88 × 5,369.31
  4. Step 4: Simplify right side
    9,845.66x = 72,952,208.24
  5. Step 5: Solve for x
    x = 72,952,208.24/9,845.66
  6. Step 6: Final answer
    x = 7,409.58

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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.