Home / 9,382.90-12,946.26-5,605.46

Finding the Fourth Proportional to 9,382.90, 12,946.26 and 5,605.46

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Solution

The fourth proportional to 9,382.90, 12,946.26 and 5,605.46 is: 7,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.90 : 12,946.26 = 5,605.46 : x
  2. Step 2: Convert to fraction form
    9,382.90/12,946.26 = 5,605.46/x
  3. Step 3: Cross multiply
    9,382.90x = 12,946.26 × 5,605.46
  4. Step 4: Simplify right side
    9,382.90x = 72,569,742.58
  5. Step 5: Solve for x
    x = 72,569,742.58/9,382.90
  6. Step 6: Final answer
    x = 7,734.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.