Home / 9,891.06-14,837.16-3,316.68

Finding the Fourth Proportional to 9,891.06, 14,837.16 and 3,316.68

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Solution

The fourth proportional to 9,891.06, 14,837.16 and 3,316.68 is: 4,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.06 : 14,837.16 = 3,316.68 : x
  2. Step 2: Convert to fraction form
    9,891.06/14,837.16 = 3,316.68/x
  3. Step 3: Cross multiply
    9,891.06x = 14,837.16 × 3,316.68
  4. Step 4: Simplify right side
    9,891.06x = 49,210,111.83
  5. Step 5: Solve for x
    x = 49,210,111.83/9,891.06
  6. Step 6: Final answer
    x = 4,975.21

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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.