Home / 7,988.90-11,024.75-4,403.98

Finding the Fourth Proportional to 7,988.90, 11,024.75 and 4,403.98

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Solution

The fourth proportional to 7,988.90, 11,024.75 and 4,403.98 is: 6,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.90 : 11,024.75 = 4,403.98 : x
  2. Step 2: Convert to fraction form
    7,988.90/11,024.75 = 4,403.98/x
  3. Step 3: Cross multiply
    7,988.90x = 11,024.75 × 4,403.98
  4. Step 4: Simplify right side
    7,988.90x = 48,552,803.30
  5. Step 5: Solve for x
    x = 48,552,803.30/7,988.90
  6. Step 6: Final answer
    x = 6,077.54

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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.