Home / 8,619.09-11,895.65-5,263.86

Finding the Fourth Proportional to 8,619.09, 11,895.65 and 5,263.86

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Solution

The fourth proportional to 8,619.09, 11,895.65 and 5,263.86 is: 7,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.09 : 11,895.65 = 5,263.86 : x
  2. Step 2: Convert to fraction form
    8,619.09/11,895.65 = 5,263.86/x
  3. Step 3: Cross multiply
    8,619.09x = 11,895.65 × 5,263.86
  4. Step 4: Simplify right side
    8,619.09x = 62,617,009.89
  5. Step 5: Solve for x
    x = 62,617,009.89/8,619.09
  6. Step 6: Final answer
    x = 7,264.92

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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.