Home / 7,316.29-10,095.15-4,172.48

Finding the Fourth Proportional to 7,316.29, 10,095.15 and 4,172.48

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Solution

The fourth proportional to 7,316.29, 10,095.15 and 4,172.48 is: 5,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.29 : 10,095.15 = 4,172.48 : x
  2. Step 2: Convert to fraction form
    7,316.29/10,095.15 = 4,172.48/x
  3. Step 3: Cross multiply
    7,316.29x = 10,095.15 × 4,172.48
  4. Step 4: Simplify right side
    7,316.29x = 42,121,811.47
  5. Step 5: Solve for x
    x = 42,121,811.47/7,316.29
  6. Step 6: Final answer
    x = 5,757.26

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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.