Home / 7,655.04-11,551.41-7,380.45

Finding the Fourth Proportional to 7,655.04, 11,551.41 and 7,380.45

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Solution

The fourth proportional to 7,655.04, 11,551.41 and 7,380.45 is: 11,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.04 : 11,551.41 = 7,380.45 : x
  2. Step 2: Convert to fraction form
    7,655.04/11,551.41 = 7,380.45/x
  3. Step 3: Cross multiply
    7,655.04x = 11,551.41 × 7,380.45
  4. Step 4: Simplify right side
    7,655.04x = 85,254,603.93
  5. Step 5: Solve for x
    x = 85,254,603.93/7,655.04
  6. Step 6: Final answer
    x = 11,137.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.