Home / 9,544.96-13,143.36-7,549.12

Finding the Fourth Proportional to 9,544.96, 13,143.36 and 7,549.12

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Solution

The fourth proportional to 9,544.96, 13,143.36 and 7,549.12 is: 10,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,544.96 : 13,143.36 = 7,549.12 : x
  2. Step 2: Convert to fraction form
    9,544.96/13,143.36 = 7,549.12/x
  3. Step 3: Cross multiply
    9,544.96x = 13,143.36 × 7,549.12
  4. Step 4: Simplify right side
    9,544.96x = 99,220,801.84
  5. Step 5: Solve for x
    x = 99,220,801.84/9,544.96
  6. Step 6: Final answer
    x = 10,395.10

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Half scale
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Double scale
Find fourth proportional to 9,545.96, 13,144.74 and 7,550.12
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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.