Home / 9,943.02-13,720.59-5,750.46

Finding the Fourth Proportional to 9,943.02, 13,720.59 and 5,750.46

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Solution

The fourth proportional to 9,943.02, 13,720.59 and 5,750.46 is: 7,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.02 : 13,720.59 = 5,750.46 : x
  2. Step 2: Convert to fraction form
    9,943.02/13,720.59 = 5,750.46/x
  3. Step 3: Cross multiply
    9,943.02x = 13,720.59 × 5,750.46
  4. Step 4: Simplify right side
    9,943.02x = 78,899,703.97
  5. Step 5: Solve for x
    x = 78,899,703.97/9,943.02
  6. Step 6: Final answer
    x = 7,935.19

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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.