Home / 13,146.23-19,706.58-5,246.46

Finding the Fourth Proportional to 13,146.23, 19,706.58 and 5,246.46

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Solution

The fourth proportional to 13,146.23, 19,706.58 and 5,246.46 is: 7,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.23 : 19,706.58 = 5,246.46 : x
  2. Step 2: Convert to fraction form
    13,146.23/19,706.58 = 5,246.46/x
  3. Step 3: Cross multiply
    13,146.23x = 19,706.58 × 5,246.46
  4. Step 4: Simplify right side
    13,146.23x = 103,389,783.71
  5. Step 5: Solve for x
    x = 103,389,783.71/13,146.23
  6. Step 6: Final answer
    x = 7,864.60

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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.