Home / 9,337.08-12,887.70-5,360.28

Finding the Fourth Proportional to 9,337.08, 12,887.70 and 5,360.28

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Solution

The fourth proportional to 9,337.08, 12,887.70 and 5,360.28 is: 7,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.08 : 12,887.70 = 5,360.28 : x
  2. Step 2: Convert to fraction form
    9,337.08/12,887.70 = 5,360.28/x
  3. Step 3: Cross multiply
    9,337.08x = 12,887.70 × 5,360.28
  4. Step 4: Simplify right side
    9,337.08x = 69,081,680.56
  5. Step 5: Solve for x
    x = 69,081,680.56/9,337.08
  6. Step 6: Final answer
    x = 7,398.64

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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.