Home / 7,587.13-10,474.73-6,745.51

Finding the Fourth Proportional to 7,587.13, 10,474.73 and 6,745.51

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Solution

The fourth proportional to 7,587.13, 10,474.73 and 6,745.51 is: 9,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.13 : 10,474.73 = 6,745.51 : x
  2. Step 2: Convert to fraction form
    7,587.13/10,474.73 = 6,745.51/x
  3. Step 3: Cross multiply
    7,587.13x = 10,474.73 × 6,745.51
  4. Step 4: Simplify right side
    7,587.13x = 70,657,309.86
  5. Step 5: Solve for x
    x = 70,657,309.86/7,587.13
  6. Step 6: Final answer
    x = 9,312.78

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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.