Home / 9,531.54-13,152.96-5,339.70

Finding the Fourth Proportional to 9,531.54, 13,152.96 and 5,339.70

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Solution

The fourth proportional to 9,531.54, 13,152.96 and 5,339.70 is: 7,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.54 : 13,152.96 = 5,339.70 : x
  2. Step 2: Convert to fraction form
    9,531.54/13,152.96 = 5,339.70/x
  3. Step 3: Cross multiply
    9,531.54x = 13,152.96 × 5,339.70
  4. Step 4: Simplify right side
    9,531.54x = 70,232,860.51
  5. Step 5: Solve for x
    x = 70,232,860.51/9,531.54
  6. Step 6: Final answer
    x = 7,368.47

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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.