Home / 7,853.25-10,837.38-4,316.40

Finding the Fourth Proportional to 7,853.25, 10,837.38 and 4,316.40

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Solution

The fourth proportional to 7,853.25, 10,837.38 and 4,316.40 is: 5,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.25 : 10,837.38 = 4,316.40 : x
  2. Step 2: Convert to fraction form
    7,853.25/10,837.38 = 4,316.40/x
  3. Step 3: Cross multiply
    7,853.25x = 10,837.38 × 4,316.40
  4. Step 4: Simplify right side
    7,853.25x = 46,778,467.03
  5. Step 5: Solve for x
    x = 46,778,467.03/7,853.25
  6. Step 6: Final answer
    x = 5,956.57

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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.