Home / 12,294.81-18,439.47-4,798.58

Finding the Fourth Proportional to 12,294.81, 18,439.47 and 4,798.58

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Solution

The fourth proportional to 12,294.81, 18,439.47 and 4,798.58 is: 7,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.81 : 18,439.47 = 4,798.58 : x
  2. Step 2: Convert to fraction form
    12,294.81/18,439.47 = 4,798.58/x
  3. Step 3: Cross multiply
    12,294.81x = 18,439.47 × 4,798.58
  4. Step 4: Simplify right side
    12,294.81x = 88,483,179.76
  5. Step 5: Solve for x
    x = 88,483,179.76/12,294.81
  6. Step 6: Final answer
    x = 7,196.79

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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.