Home / 12,588.76-18,883.77-4,798.18

Finding the Fourth Proportional to 12,588.76, 18,883.77 and 4,798.18

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Solution

The fourth proportional to 12,588.76, 18,883.77 and 4,798.18 is: 7,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.76 : 18,883.77 = 4,798.18 : x
  2. Step 2: Convert to fraction form
    12,588.76/18,883.77 = 4,798.18/x
  3. Step 3: Cross multiply
    12,588.76x = 18,883.77 × 4,798.18
  4. Step 4: Simplify right side
    12,588.76x = 90,607,727.54
  5. Step 5: Solve for x
    x = 90,607,727.54/12,588.76
  6. Step 6: Final answer
    x = 7,197.51

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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.