Home / 8,875.96-12,249.22-4,897.08

Finding the Fourth Proportional to 8,875.96, 12,249.22 and 4,897.08

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Solution

The fourth proportional to 8,875.96, 12,249.22 and 4,897.08 is: 6,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.96 : 12,249.22 = 4,897.08 : x
  2. Step 2: Convert to fraction form
    8,875.96/12,249.22 = 4,897.08/x
  3. Step 3: Cross multiply
    8,875.96x = 12,249.22 × 4,897.08
  4. Step 4: Simplify right side
    8,875.96x = 59,985,410.28
  5. Step 5: Solve for x
    x = 59,985,410.28/8,875.96
  6. Step 6: Final answer
    x = 6,758.19

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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.