Home / 8,045.84-11,102.81-4,509.28

Finding the Fourth Proportional to 8,045.84, 11,102.81 and 4,509.28

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Solution

The fourth proportional to 8,045.84, 11,102.81 and 4,509.28 is: 6,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.84 : 11,102.81 = 4,509.28 : x
  2. Step 2: Convert to fraction form
    8,045.84/11,102.81 = 4,509.28/x
  3. Step 3: Cross multiply
    8,045.84x = 11,102.81 × 4,509.28
  4. Step 4: Simplify right side
    8,045.84x = 50,065,670.41
  5. Step 5: Solve for x
    x = 50,065,670.41/8,045.84
  6. Step 6: Final answer
    x = 6,222.55

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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.