Home / 7,123.19-10,685.63-2,966.00

Finding the Fourth Proportional to 7,123.19, 10,685.63 and 2,966.00

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Solution

The fourth proportional to 7,123.19, 10,685.63 and 2,966.00 is: 4,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.19 : 10,685.63 = 2,966.00 : x
  2. Step 2: Convert to fraction form
    7,123.19/10,685.63 = 2,966.00/x
  3. Step 3: Cross multiply
    7,123.19x = 10,685.63 × 2,966.00
  4. Step 4: Simplify right side
    7,123.19x = 31,693,532.57
  5. Step 5: Solve for x
    x = 31,693,532.57/7,123.19
  6. Step 6: Final answer
    x = 4,449.35

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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.