Home / 9,024.36-12,453.88-4,991.30

Finding the Fourth Proportional to 9,024.36, 12,453.88 and 4,991.30

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Solution

The fourth proportional to 9,024.36, 12,453.88 and 4,991.30 is: 6,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,024.36 : 12,453.88 = 4,991.30 : x
  2. Step 2: Convert to fraction form
    9,024.36/12,453.88 = 4,991.30/x
  3. Step 3: Cross multiply
    9,024.36x = 12,453.88 × 4,991.30
  4. Step 4: Simplify right side
    9,024.36x = 62,161,079.23
  5. Step 5: Solve for x
    x = 62,161,079.23/9,024.36
  6. Step 6: Final answer
    x = 6,888.15

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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.