Home / 28,937.02-43,408.73-9,210.97

Finding the Fourth Proportional to 28,937.02, 43,408.73 and 9,210.97

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Solution

The fourth proportional to 28,937.02, 43,408.73 and 9,210.97 is: 13,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.02 : 43,408.73 = 9,210.97 : x
  2. Step 2: Convert to fraction form
    28,937.02/43,408.73 = 9,210.97/x
  3. Step 3: Cross multiply
    28,937.02x = 43,408.73 × 9,210.97
  4. Step 4: Simplify right side
    28,937.02x = 399,836,509.77
  5. Step 5: Solve for x
    x = 399,836,509.77/28,937.02
  6. Step 6: Final answer
    x = 13,817.47

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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.