Home / 9,065.84-13,603.44-3,870.32

Finding the Fourth Proportional to 9,065.84, 13,603.44 and 3,870.32

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Solution

The fourth proportional to 9,065.84, 13,603.44 and 3,870.32 is: 5,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.84 : 13,603.44 = 3,870.32 : x
  2. Step 2: Convert to fraction form
    9,065.84/13,603.44 = 3,870.32/x
  3. Step 3: Cross multiply
    9,065.84x = 13,603.44 × 3,870.32
  4. Step 4: Simplify right side
    9,065.84x = 52,649,665.90
  5. Step 5: Solve for x
    x = 52,649,665.90/9,065.84
  6. Step 6: Final answer
    x = 5,807.48

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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.