Home / 9,787.35-13,510.04-5,808.46

Finding the Fourth Proportional to 9,787.35, 13,510.04 and 5,808.46

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Solution

The fourth proportional to 9,787.35, 13,510.04 and 5,808.46 is: 8,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.35 : 13,510.04 = 5,808.46 : x
  2. Step 2: Convert to fraction form
    9,787.35/13,510.04 = 5,808.46/x
  3. Step 3: Cross multiply
    9,787.35x = 13,510.04 × 5,808.46
  4. Step 4: Simplify right side
    9,787.35x = 78,472,526.94
  5. Step 5: Solve for x
    x = 78,472,526.94/9,787.35
  6. Step 6: Final answer
    x = 8,017.75

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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.