Home / 7,905.10-11,857.67-2,362.35

Finding the Fourth Proportional to 7,905.10, 11,857.67 and 2,362.35

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Solution

The fourth proportional to 7,905.10, 11,857.67 and 2,362.35 is: 3,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.10 : 11,857.67 = 2,362.35 : x
  2. Step 2: Convert to fraction form
    7,905.10/11,857.67 = 2,362.35/x
  3. Step 3: Cross multiply
    7,905.10x = 11,857.67 × 2,362.35
  4. Step 4: Simplify right side
    7,905.10x = 28,011,966.72
  5. Step 5: Solve for x
    x = 28,011,966.72/7,905.10
  6. Step 6: Final answer
    x = 3,543.53

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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.