Home / 13,184.46-19,778.43-4,870.32

Finding the Fourth Proportional to 13,184.46, 19,778.43 and 4,870.32

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Solution

The fourth proportional to 13,184.46, 19,778.43 and 4,870.32 is: 7,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.46 : 19,778.43 = 4,870.32 : x
  2. Step 2: Convert to fraction form
    13,184.46/19,778.43 = 4,870.32/x
  3. Step 3: Cross multiply
    13,184.46x = 19,778.43 × 4,870.32
  4. Step 4: Simplify right side
    13,184.46x = 96,327,283.20
  5. Step 5: Solve for x
    x = 96,327,283.20/13,184.46
  6. Step 6: Final answer
    x = 7,306.12

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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.