Home / 10,531.93-15,785.74-3,953.92

Finding the Fourth Proportional to 10,531.93, 15,785.74 and 3,953.92

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Solution

The fourth proportional to 10,531.93, 15,785.74 and 3,953.92 is: 5,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.93 : 15,785.74 = 3,953.92 : x
  2. Step 2: Convert to fraction form
    10,531.93/15,785.74 = 3,953.92/x
  3. Step 3: Cross multiply
    10,531.93x = 15,785.74 × 3,953.92
  4. Step 4: Simplify right side
    10,531.93x = 62,415,518.58
  5. Step 5: Solve for x
    x = 62,415,518.58/10,531.93
  6. Step 6: Final answer
    x = 5,926.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.