Home / 12,459.18-18,693.32-5,798.84

Finding the Fourth Proportional to 12,459.18, 18,693.32 and 5,798.84

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Solution

The fourth proportional to 12,459.18, 18,693.32 and 5,798.84 is: 8,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.18 : 18,693.32 = 5,798.84 : x
  2. Step 2: Convert to fraction form
    12,459.18/18,693.32 = 5,798.84/x
  3. Step 3: Cross multiply
    12,459.18x = 18,693.32 × 5,798.84
  4. Step 4: Simplify right side
    12,459.18x = 108,399,571.75
  5. Step 5: Solve for x
    x = 108,399,571.75/12,459.18
  6. Step 6: Final answer
    x = 8,700.38

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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.