Home / 10,021.77-13,829.72-5,545.35

Finding the Fourth Proportional to 10,021.77, 13,829.72 and 5,545.35

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Solution

The fourth proportional to 10,021.77, 13,829.72 and 5,545.35 is: 7,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.77 : 13,829.72 = 5,545.35 : x
  2. Step 2: Convert to fraction form
    10,021.77/13,829.72 = 5,545.35/x
  3. Step 3: Cross multiply
    10,021.77x = 13,829.72 × 5,545.35
  4. Step 4: Simplify right side
    10,021.77x = 76,690,610.08
  5. Step 5: Solve for x
    x = 76,690,610.08/10,021.77
  6. Step 6: Final answer
    x = 7,652.40

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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.