Home / 9,812.35-13,541.30-5,336.36

Finding the Fourth Proportional to 9,812.35, 13,541.30 and 5,336.36

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Solution

The fourth proportional to 9,812.35, 13,541.30 and 5,336.36 is: 7,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.35 : 13,541.30 = 5,336.36 : x
  2. Step 2: Convert to fraction form
    9,812.35/13,541.30 = 5,336.36/x
  3. Step 3: Cross multiply
    9,812.35x = 13,541.30 × 5,336.36
  4. Step 4: Simplify right side
    9,812.35x = 72,261,258.84
  5. Step 5: Solve for x
    x = 72,261,258.84/9,812.35
  6. Step 6: Final answer
    x = 7,364.32

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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.