Home / 8,683.08-13,008.30-4,295.40

Finding the Fourth Proportional to 8,683.08, 13,008.30 and 4,295.40

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Solution

The fourth proportional to 8,683.08, 13,008.30 and 4,295.40 is: 6,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.08 : 13,008.30 = 4,295.40 : x
  2. Step 2: Convert to fraction form
    8,683.08/13,008.30 = 4,295.40/x
  3. Step 3: Cross multiply
    8,683.08x = 13,008.30 × 4,295.40
  4. Step 4: Simplify right side
    8,683.08x = 55,875,851.82
  5. Step 5: Solve for x
    x = 55,875,851.82/8,683.08
  6. Step 6: Final answer
    x = 6,435.03

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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.