Home / 30,973.66-46,460.40-8,787.04

Finding the Fourth Proportional to 30,973.66, 46,460.40 and 8,787.04

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Solution

The fourth proportional to 30,973.66, 46,460.40 and 8,787.04 is: 13,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.66 : 46,460.40 = 8,787.04 : x
  2. Step 2: Convert to fraction form
    30,973.66/46,460.40 = 8,787.04/x
  3. Step 3: Cross multiply
    30,973.66x = 46,460.40 × 8,787.04
  4. Step 4: Simplify right side
    30,973.66x = 408,249,393.22
  5. Step 5: Solve for x
    x = 408,249,393.22/30,973.66
  6. Step 6: Final answer
    x = 13,180.53

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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.