Home / 11,300.64-15,594.32-6,331.68

Finding the Fourth Proportional to 11,300.64, 15,594.32 and 6,331.68

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Solution

The fourth proportional to 11,300.64, 15,594.32 and 6,331.68 is: 8,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.64 : 15,594.32 = 6,331.68 : x
  2. Step 2: Convert to fraction form
    11,300.64/15,594.32 = 6,331.68/x
  3. Step 3: Cross multiply
    11,300.64x = 15,594.32 × 6,331.68
  4. Step 4: Simplify right side
    11,300.64x = 98,738,244.06
  5. Step 5: Solve for x
    x = 98,738,244.06/11,300.64
  6. Step 6: Final answer
    x = 8,737.40

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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.