Home / 7,316.96-10,102.02-5,078.12

Finding the Fourth Proportional to 7,316.96, 10,102.02 and 5,078.12

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Solution

The fourth proportional to 7,316.96, 10,102.02 and 5,078.12 is: 7,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.96 : 10,102.02 = 5,078.12 : x
  2. Step 2: Convert to fraction form
    7,316.96/10,102.02 = 5,078.12/x
  3. Step 3: Cross multiply
    7,316.96x = 10,102.02 × 5,078.12
  4. Step 4: Simplify right side
    7,316.96x = 51,299,269.80
  5. Step 5: Solve for x
    x = 51,299,269.80/7,316.96
  6. Step 6: Final answer
    x = 7,011.01

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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.