Home / 9,858.36-14,790.20-4,312.20

Finding the Fourth Proportional to 9,858.36, 14,790.20 and 4,312.20

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Solution

The fourth proportional to 9,858.36, 14,790.20 and 4,312.20 is: 6,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.36 : 14,790.20 = 4,312.20 : x
  2. Step 2: Convert to fraction form
    9,858.36/14,790.20 = 4,312.20/x
  3. Step 3: Cross multiply
    9,858.36x = 14,790.20 × 4,312.20
  4. Step 4: Simplify right side
    9,858.36x = 63,778,300.44
  5. Step 5: Solve for x
    x = 63,778,300.44/9,858.36
  6. Step 6: Final answer
    x = 6,469.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.