Home / 9,529.75-13,151.06-5,339.35

Finding the Fourth Proportional to 9,529.75, 13,151.06 and 5,339.35

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Solution

The fourth proportional to 9,529.75, 13,151.06 and 5,339.35 is: 7,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.75 : 13,151.06 = 5,339.35 : x
  2. Step 2: Convert to fraction form
    9,529.75/13,151.06 = 5,339.35/x
  3. Step 3: Cross multiply
    9,529.75x = 13,151.06 × 5,339.35
  4. Step 4: Simplify right side
    9,529.75x = 70,218,112.21
  5. Step 5: Solve for x
    x = 70,218,112.21/9,529.75
  6. Step 6: Final answer
    x = 7,368.31

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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.