Home / 8,786.48-12,124.14-5,248.94

Finding the Fourth Proportional to 8,786.48, 12,124.14 and 5,248.94

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Solution

The fourth proportional to 8,786.48, 12,124.14 and 5,248.94 is: 7,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.48 : 12,124.14 = 5,248.94 : x
  2. Step 2: Convert to fraction form
    8,786.48/12,124.14 = 5,248.94/x
  3. Step 3: Cross multiply
    8,786.48x = 12,124.14 × 5,248.94
  4. Step 4: Simplify right side
    8,786.48x = 63,638,866.22
  5. Step 5: Solve for x
    x = 63,638,866.22/8,786.48
  6. Step 6: Final answer
    x = 7,242.82

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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.