Home / 9,317.46-12,856.41-5,337.66

Finding the Fourth Proportional to 9,317.46, 12,856.41 and 5,337.66

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Solution

The fourth proportional to 9,317.46, 12,856.41 and 5,337.66 is: 7,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.46 : 12,856.41 = 5,337.66 : x
  2. Step 2: Convert to fraction form
    9,317.46/12,856.41 = 5,337.66/x
  3. Step 3: Cross multiply
    9,317.46x = 12,856.41 × 5,337.66
  4. Step 4: Simplify right side
    9,317.46x = 68,623,145.40
  5. Step 5: Solve for x
    x = 68,623,145.40/9,317.46
  6. Step 6: Final answer
    x = 7,365.01

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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.