Home / 7,329.16-10,995.56-2,887.12

Finding the Fourth Proportional to 7,329.16, 10,995.56 and 2,887.12

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Solution

The fourth proportional to 7,329.16, 10,995.56 and 2,887.12 is: 4,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.16 : 10,995.56 = 2,887.12 : x
  2. Step 2: Convert to fraction form
    7,329.16/10,995.56 = 2,887.12/x
  3. Step 3: Cross multiply
    7,329.16x = 10,995.56 × 2,887.12
  4. Step 4: Simplify right side
    7,329.16x = 31,745,501.19
  5. Step 5: Solve for x
    x = 31,745,501.19/7,329.16
  6. Step 6: Final answer
    x = 4,331.40

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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.