Home / 9,707.30-13,388.38-6,300.59

Finding the Fourth Proportional to 9,707.30, 13,388.38 and 6,300.59

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Solution

The fourth proportional to 9,707.30, 13,388.38 and 6,300.59 is: 8,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.30 : 13,388.38 = 6,300.59 : x
  2. Step 2: Convert to fraction form
    9,707.30/13,388.38 = 6,300.59/x
  3. Step 3: Cross multiply
    9,707.30x = 13,388.38 × 6,300.59
  4. Step 4: Simplify right side
    9,707.30x = 84,354,710.86
  5. Step 5: Solve for x
    x = 84,354,710.86/9,707.30
  6. Step 6: Final answer
    x = 8,689.82

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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.