Home / 8,045.75-11,100.70-5,064.55

Finding the Fourth Proportional to 8,045.75, 11,100.70 and 5,064.55

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Solution

The fourth proportional to 8,045.75, 11,100.70 and 5,064.55 is: 6,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.75 : 11,100.70 = 5,064.55 : x
  2. Step 2: Convert to fraction form
    8,045.75/11,100.70 = 5,064.55/x
  3. Step 3: Cross multiply
    8,045.75x = 11,100.70 × 5,064.55
  4. Step 4: Simplify right side
    8,045.75x = 56,220,050.19
  5. Step 5: Solve for x
    x = 56,220,050.19/8,045.75
  6. Step 6: Final answer
    x = 6,987.55

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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.