Home / 9,640.02-13,303.50-5,391.24

Finding the Fourth Proportional to 9,640.02, 13,303.50 and 5,391.24

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Solution

The fourth proportional to 9,640.02, 13,303.50 and 5,391.24 is: 7,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.02 : 13,303.50 = 5,391.24 : x
  2. Step 2: Convert to fraction form
    9,640.02/13,303.50 = 5,391.24/x
  3. Step 3: Cross multiply
    9,640.02x = 13,303.50 × 5,391.24
  4. Step 4: Simplify right side
    9,640.02x = 71,722,301.13
  5. Step 5: Solve for x
    x = 71,722,301.13/9,640.02
  6. Step 6: Final answer
    x = 7,440.06

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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.