Home / 9,343.02-12,893.38-5,151.28

Finding the Fourth Proportional to 9,343.02, 12,893.38 and 5,151.28

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Solution

The fourth proportional to 9,343.02, 12,893.38 and 5,151.28 is: 7,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.02 : 12,893.38 = 5,151.28 : x
  2. Step 2: Convert to fraction form
    9,343.02/12,893.38 = 5,151.28/x
  3. Step 3: Cross multiply
    9,343.02x = 12,893.38 × 5,151.28
  4. Step 4: Simplify right side
    9,343.02x = 66,417,410.53
  5. Step 5: Solve for x
    x = 66,417,410.53/9,343.02
  6. Step 6: Final answer
    x = 7,108.77

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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.