Home / 6,931.04-9,564.88-3,787.16

Finding the Fourth Proportional to 6,931.04, 9,564.88 and 3,787.16

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Solution

The fourth proportional to 6,931.04, 9,564.88 and 3,787.16 is: 5,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.04 : 9,564.88 = 3,787.16 : x
  2. Step 2: Convert to fraction form
    6,931.04/9,564.88 = 3,787.16/x
  3. Step 3: Cross multiply
    6,931.04x = 9,564.88 × 3,787.16
  4. Step 4: Simplify right side
    6,931.04x = 36,223,730.94
  5. Step 5: Solve for x
    x = 36,223,730.94/6,931.04
  6. Step 6: Final answer
    x = 5,226.31

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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.