Home / 13,297.02-18,349.64-7,247.32

Finding the Fourth Proportional to 13,297.02, 18,349.64 and 7,247.32

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Solution

The fourth proportional to 13,297.02, 18,349.64 and 7,247.32 is: 10,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.02 : 18,349.64 = 7,247.32 : x
  2. Step 2: Convert to fraction form
    13,297.02/18,349.64 = 7,247.32/x
  3. Step 3: Cross multiply
    13,297.02x = 18,349.64 × 7,247.32
  4. Step 4: Simplify right side
    13,297.02x = 132,985,698.80
  5. Step 5: Solve for x
    x = 132,985,698.80/13,297.02
  6. Step 6: Final answer
    x = 10,001.17

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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.