Home / 9,860.16-13,608.35-6,275.47

Finding the Fourth Proportional to 9,860.16, 13,608.35 and 6,275.47

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Solution

The fourth proportional to 9,860.16, 13,608.35 and 6,275.47 is: 8,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.16 : 13,608.35 = 6,275.47 : x
  2. Step 2: Convert to fraction form
    9,860.16/13,608.35 = 6,275.47/x
  3. Step 3: Cross multiply
    9,860.16x = 13,608.35 × 6,275.47
  4. Step 4: Simplify right side
    9,860.16x = 85,398,792.17
  5. Step 5: Solve for x
    x = 85,398,792.17/9,860.16
  6. Step 6: Final answer
    x = 8,660.99

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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.