Home / 10,409.81-15,619.84-4,862.35

Finding the Fourth Proportional to 10,409.81, 15,619.84 and 4,862.35

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Solution

The fourth proportional to 10,409.81, 15,619.84 and 4,862.35 is: 7,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.81 : 15,619.84 = 4,862.35 : x
  2. Step 2: Convert to fraction form
    10,409.81/15,619.84 = 4,862.35/x
  3. Step 3: Cross multiply
    10,409.81x = 15,619.84 × 4,862.35
  4. Step 4: Simplify right side
    10,409.81x = 75,949,050.92
  5. Step 5: Solve for x
    x = 75,949,050.92/10,409.81
  6. Step 6: Final answer
    x = 7,295.91

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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.