Home / 9,345.06-12,883.81-7,550.54

Finding the Fourth Proportional to 9,345.06, 12,883.81 and 7,550.54

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Solution

The fourth proportional to 9,345.06, 12,883.81 and 7,550.54 is: 10,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.06 : 12,883.81 = 7,550.54 : x
  2. Step 2: Convert to fraction form
    9,345.06/12,883.81 = 7,550.54/x
  3. Step 3: Cross multiply
    9,345.06x = 12,883.81 × 7,550.54
  4. Step 4: Simplify right side
    9,345.06x = 97,279,639.46
  5. Step 5: Solve for x
    x = 97,279,639.46/9,345.06
  6. Step 6: Final answer
    x = 10,409.74

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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.