Home / 12,386.40-18,581.94-4,594.92

Finding the Fourth Proportional to 12,386.40, 18,581.94 and 4,594.92

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Solution

The fourth proportional to 12,386.40, 18,581.94 and 4,594.92 is: 6,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.40 : 18,581.94 = 4,594.92 : x
  2. Step 2: Convert to fraction form
    12,386.40/18,581.94 = 4,594.92/x
  3. Step 3: Cross multiply
    12,386.40x = 18,581.94 × 4,594.92
  4. Step 4: Simplify right side
    12,386.40x = 85,382,527.74
  5. Step 5: Solve for x
    x = 85,382,527.74/12,386.40
  6. Step 6: Final answer
    x = 6,893.25

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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.