Home / 9,336.64-12,875.90-6,814.76

Finding the Fourth Proportional to 9,336.64, 12,875.90 and 6,814.76

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Solution

The fourth proportional to 9,336.64, 12,875.90 and 6,814.76 is: 9,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.64 : 12,875.90 = 6,814.76 : x
  2. Step 2: Convert to fraction form
    9,336.64/12,875.90 = 6,814.76/x
  3. Step 3: Cross multiply
    9,336.64x = 12,875.90 × 6,814.76
  4. Step 4: Simplify right side
    9,336.64x = 87,746,168.28
  5. Step 5: Solve for x
    x = 87,746,168.28/9,336.64
  6. Step 6: Final answer
    x = 9,398.05

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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.