Home / 11,875.25-17,818.95-4,860.45

Finding the Fourth Proportional to 11,875.25, 17,818.95 and 4,860.45

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Solution

The fourth proportional to 11,875.25, 17,818.95 and 4,860.45 is: 7,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.25 : 17,818.95 = 4,860.45 : x
  2. Step 2: Convert to fraction form
    11,875.25/17,818.95 = 4,860.45/x
  3. Step 3: Cross multiply
    11,875.25x = 17,818.95 × 4,860.45
  4. Step 4: Simplify right side
    11,875.25x = 86,608,002.13
  5. Step 5: Solve for x
    x = 86,608,002.13/11,875.25
  6. Step 6: Final answer
    x = 7,293.15

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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.