Home / 9,293.93-12,825.55-5,315.71

Finding the Fourth Proportional to 9,293.93, 12,825.55 and 5,315.71

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Solution

The fourth proportional to 9,293.93, 12,825.55 and 5,315.71 is: 7,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.93 : 12,825.55 = 5,315.71 : x
  2. Step 2: Convert to fraction form
    9,293.93/12,825.55 = 5,315.71/x
  3. Step 3: Cross multiply
    9,293.93x = 12,825.55 × 5,315.71
  4. Step 4: Simplify right side
    9,293.93x = 68,176,904.39
  5. Step 5: Solve for x
    x = 68,176,904.39/9,293.93
  6. Step 6: Final answer
    x = 7,335.64

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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.