Home / 9,840.61-13,579.37-5,534.35

Finding the Fourth Proportional to 9,840.61, 13,579.37 and 5,534.35

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Solution

The fourth proportional to 9,840.61, 13,579.37 and 5,534.35 is: 7,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.61 : 13,579.37 = 5,534.35 : x
  2. Step 2: Convert to fraction form
    9,840.61/13,579.37 = 5,534.35/x
  3. Step 3: Cross multiply
    9,840.61x = 13,579.37 × 5,534.35
  4. Step 4: Simplify right side
    9,840.61x = 75,152,935.12
  5. Step 5: Solve for x
    x = 75,152,935.12/9,840.61
  6. Step 6: Final answer
    x = 7,637.02

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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.