Home / 7,210.08-10,817.28-3,316.68

Finding the Fourth Proportional to 7,210.08, 10,817.28 and 3,316.68

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Solution

The fourth proportional to 7,210.08, 10,817.28 and 3,316.68 is: 4,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.08 : 10,817.28 = 3,316.68 : x
  2. Step 2: Convert to fraction form
    7,210.08/10,817.28 = 3,316.68/x
  3. Step 3: Cross multiply
    7,210.08x = 10,817.28 × 3,316.68
  4. Step 4: Simplify right side
    7,210.08x = 35,877,456.23
  5. Step 5: Solve for x
    x = 35,877,456.23/7,210.08
  6. Step 6: Final answer
    x = 4,976.01

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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.