Home / 35,778.91-53,669.81-9,125.59

Finding the Fourth Proportional to 35,778.91, 53,669.81 and 9,125.59

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Solution

The fourth proportional to 35,778.91, 53,669.81 and 9,125.59 is: 13,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.91 : 53,669.81 = 9,125.59 : x
  2. Step 2: Convert to fraction form
    35,778.91/53,669.81 = 9,125.59/x
  3. Step 3: Cross multiply
    35,778.91x = 53,669.81 × 9,125.59
  4. Step 4: Simplify right side
    35,778.91x = 489,768,681.44
  5. Step 5: Solve for x
    x = 489,768,681.44/35,778.91
  6. Step 6: Final answer
    x = 13,688.75

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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.