Home / 9,247.36-12,761.76-5,707.84

Finding the Fourth Proportional to 9,247.36, 12,761.76 and 5,707.84

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Solution

The fourth proportional to 9,247.36, 12,761.76 and 5,707.84 is: 7,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.36 : 12,761.76 = 5,707.84 : x
  2. Step 2: Convert to fraction form
    9,247.36/12,761.76 = 5,707.84/x
  3. Step 3: Cross multiply
    9,247.36x = 12,761.76 × 5,707.84
  4. Step 4: Simplify right side
    9,247.36x = 72,842,084.20
  5. Step 5: Solve for x
    x = 72,842,084.20/9,247.36
  6. Step 6: Final answer
    x = 7,877.07

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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.