Home / 6,403.36-8,826.96-5,003.68

Finding the Fourth Proportional to 6,403.36, 8,826.96 and 5,003.68

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Solution

The fourth proportional to 6,403.36, 8,826.96 and 5,003.68 is: 6,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.36 : 8,826.96 = 5,003.68 : x
  2. Step 2: Convert to fraction form
    6,403.36/8,826.96 = 5,003.68/x
  3. Step 3: Cross multiply
    6,403.36x = 8,826.96 × 5,003.68
  4. Step 4: Simplify right side
    6,403.36x = 44,167,283.21
  5. Step 5: Solve for x
    x = 44,167,283.21/6,403.36
  6. Step 6: Final answer
    x = 6,897.52

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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.