Home / 9,787.24-14,681.34-3,215.32

Finding the Fourth Proportional to 9,787.24, 14,681.34 and 3,215.32

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Solution

The fourth proportional to 9,787.24, 14,681.34 and 3,215.32 is: 4,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.24 : 14,681.34 = 3,215.32 : x
  2. Step 2: Convert to fraction form
    9,787.24/14,681.34 = 3,215.32/x
  3. Step 3: Cross multiply
    9,787.24x = 14,681.34 × 3,215.32
  4. Step 4: Simplify right side
    9,787.24x = 47,205,206.13
  5. Step 5: Solve for x
    x = 47,205,206.13/9,787.24
  6. Step 6: Final answer
    x = 4,823.14

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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.