Home / 9,787.19-14,680.48-2,391.69

Finding the Fourth Proportional to 9,787.19, 14,680.48 and 2,391.69

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Solution

The fourth proportional to 9,787.19, 14,680.48 and 2,391.69 is: 3,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.19 : 14,680.48 = 2,391.69 : x
  2. Step 2: Convert to fraction form
    9,787.19/14,680.48 = 2,391.69/x
  3. Step 3: Cross multiply
    9,787.19x = 14,680.48 × 2,391.69
  4. Step 4: Simplify right side
    9,787.19x = 35,111,157.21
  5. Step 5: Solve for x
    x = 35,111,157.21/9,787.19
  6. Step 6: Final answer
    x = 3,587.46

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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.