Home / 9,840.06-13,579.37-5,363.93

Finding the Fourth Proportional to 9,840.06, 13,579.37 and 5,363.93

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Solution

The fourth proportional to 9,840.06, 13,579.37 and 5,363.93 is: 7,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.06 : 13,579.37 = 5,363.93 : x
  2. Step 2: Convert to fraction form
    9,840.06/13,579.37 = 5,363.93/x
  3. Step 3: Cross multiply
    9,840.06x = 13,579.37 × 5,363.93
  4. Step 4: Simplify right side
    9,840.06x = 72,838,695.41
  5. Step 5: Solve for x
    x = 72,838,695.41/9,840.06
  6. Step 6: Final answer
    x = 7,402.26

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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.