Home / 9,530.79-13,153.43-5,497.80

Finding the Fourth Proportional to 9,530.79, 13,153.43 and 5,497.80

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Solution

The fourth proportional to 9,530.79, 13,153.43 and 5,497.80 is: 7,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.79 : 13,153.43 = 5,497.80 : x
  2. Step 2: Convert to fraction form
    9,530.79/13,153.43 = 5,497.80/x
  3. Step 3: Cross multiply
    9,530.79x = 13,153.43 × 5,497.80
  4. Step 4: Simplify right side
    9,530.79x = 72,314,899.97
  5. Step 5: Solve for x
    x = 72,314,899.97/9,530.79
  6. Step 6: Final answer
    x = 7,587.50

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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.