Home / 7,775.16-11,663.73-2,847.12

Finding the Fourth Proportional to 7,775.16, 11,663.73 and 2,847.12

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Solution

The fourth proportional to 7,775.16, 11,663.73 and 2,847.12 is: 4,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.16 : 11,663.73 = 2,847.12 : x
  2. Step 2: Convert to fraction form
    7,775.16/11,663.73 = 2,847.12/x
  3. Step 3: Cross multiply
    7,775.16x = 11,663.73 × 2,847.12
  4. Step 4: Simplify right side
    7,775.16x = 33,208,038.96
  5. Step 5: Solve for x
    x = 33,208,038.96/7,775.16
  6. Step 6: Final answer
    x = 4,271.04

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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.