Home / 10,434.08-14,398.40-6,396.32

Finding the Fourth Proportional to 10,434.08, 14,398.40 and 6,396.32

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Solution

The fourth proportional to 10,434.08, 14,398.40 and 6,396.32 is: 8,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.08 : 14,398.40 = 6,396.32 : x
  2. Step 2: Convert to fraction form
    10,434.08/14,398.40 = 6,396.32/x
  3. Step 3: Cross multiply
    10,434.08x = 14,398.40 × 6,396.32
  4. Step 4: Simplify right side
    10,434.08x = 92,096,773.89
  5. Step 5: Solve for x
    x = 92,096,773.89/10,434.08
  6. Step 6: Final answer
    x = 8,826.54

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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.