Home / 13,256.96-19,885.32-6,310.40

Finding the Fourth Proportional to 13,256.96, 19,885.32 and 6,310.40

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Solution

The fourth proportional to 13,256.96, 19,885.32 and 6,310.40 is: 9,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.96 : 19,885.32 = 6,310.40 : x
  2. Step 2: Convert to fraction form
    13,256.96/19,885.32 = 6,310.40/x
  3. Step 3: Cross multiply
    13,256.96x = 19,885.32 × 6,310.40
  4. Step 4: Simplify right side
    13,256.96x = 125,484,323.33
  5. Step 5: Solve for x
    x = 125,484,323.33/13,256.96
  6. Step 6: Final answer
    x = 9,465.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.