Home / 9,303.36-12,826.80-6,783.36

Finding the Fourth Proportional to 9,303.36, 12,826.80 and 6,783.36

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Solution

The fourth proportional to 9,303.36, 12,826.80 and 6,783.36 is: 9,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.36 : 12,826.80 = 6,783.36 : x
  2. Step 2: Convert to fraction form
    9,303.36/12,826.80 = 6,783.36/x
  3. Step 3: Cross multiply
    9,303.36x = 12,826.80 × 6,783.36
  4. Step 4: Simplify right side
    9,303.36x = 87,008,802.05
  5. Step 5: Solve for x
    x = 87,008,802.05/9,303.36
  6. Step 6: Final answer
    x = 9,352.41

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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.