Home / 7,710.84-11,567.70-4,940.28

Finding the Fourth Proportional to 7,710.84, 11,567.70 and 4,940.28

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Solution

The fourth proportional to 7,710.84, 11,567.70 and 4,940.28 is: 7,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.84 : 11,567.70 = 4,940.28 : x
  2. Step 2: Convert to fraction form
    7,710.84/11,567.70 = 4,940.28/x
  3. Step 3: Cross multiply
    7,710.84x = 11,567.70 × 4,940.28
  4. Step 4: Simplify right side
    7,710.84x = 57,147,676.96
  5. Step 5: Solve for x
    x = 57,147,676.96/7,710.84
  6. Step 6: Final answer
    x = 7,411.34

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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.