Home / 7,686.23-10,606.21-4,328.51

Finding the Fourth Proportional to 7,686.23, 10,606.21 and 4,328.51

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Solution

The fourth proportional to 7,686.23, 10,606.21 and 4,328.51 is: 5,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.23 : 10,606.21 = 4,328.51 : x
  2. Step 2: Convert to fraction form
    7,686.23/10,606.21 = 4,328.51/x
  3. Step 3: Cross multiply
    7,686.23x = 10,606.21 × 4,328.51
  4. Step 4: Simplify right side
    7,686.23x = 45,909,022.19
  5. Step 5: Solve for x
    x = 45,909,022.19/7,686.23
  6. Step 6: Final answer
    x = 5,972.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.