Home / 9,946.42-13,725.80-5,470.63

Finding the Fourth Proportional to 9,946.42, 13,725.80 and 5,470.63

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Solution

The fourth proportional to 9,946.42, 13,725.80 and 5,470.63 is: 7,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.42 : 13,725.80 = 5,470.63 : x
  2. Step 2: Convert to fraction form
    9,946.42/13,725.80 = 5,470.63/x
  3. Step 3: Cross multiply
    9,946.42x = 13,725.80 × 5,470.63
  4. Step 4: Simplify right side
    9,946.42x = 75,088,745.90
  5. Step 5: Solve for x
    x = 75,088,745.90/9,946.42
  6. Step 6: Final answer
    x = 7,549.32

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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.