Home / 9,531.20-13,152.84-5,339.52

Finding the Fourth Proportional to 9,531.20, 13,152.84 and 5,339.52

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Solution

The fourth proportional to 9,531.20, 13,152.84 and 5,339.52 is: 7,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.20 : 13,152.84 = 5,339.52 : x
  2. Step 2: Convert to fraction form
    9,531.20/13,152.84 = 5,339.52/x
  3. Step 3: Cross multiply
    9,531.20x = 13,152.84 × 5,339.52
  4. Step 4: Simplify right side
    9,531.20x = 70,229,852.24
  5. Step 5: Solve for x
    x = 70,229,852.24/9,531.20
  6. Step 6: Final answer
    x = 7,368.42

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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.