Home / 8,889.95-13,349.21-5,777.53

Finding the Fourth Proportional to 8,889.95, 13,349.21 and 5,777.53

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Solution

The fourth proportional to 8,889.95, 13,349.21 and 5,777.53 is: 8,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.95 : 13,349.21 = 5,777.53 : x
  2. Step 2: Convert to fraction form
    8,889.95/13,349.21 = 5,777.53/x
  3. Step 3: Cross multiply
    8,889.95x = 13,349.21 × 5,777.53
  4. Step 4: Simplify right side
    8,889.95x = 77,125,398.99
  5. Step 5: Solve for x
    x = 77,125,398.99/8,889.95
  6. Step 6: Final answer
    x = 8,675.57

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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.