Home / 8,436.63-11,641.95-4,900.17

Finding the Fourth Proportional to 8,436.63, 11,641.95 and 4,900.17

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Solution

The fourth proportional to 8,436.63, 11,641.95 and 4,900.17 is: 6,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.63 : 11,641.95 = 4,900.17 : x
  2. Step 2: Convert to fraction form
    8,436.63/11,641.95 = 4,900.17/x
  3. Step 3: Cross multiply
    8,436.63x = 11,641.95 × 4,900.17
  4. Step 4: Simplify right side
    8,436.63x = 57,047,534.13
  5. Step 5: Solve for x
    x = 57,047,534.13/8,436.63
  6. Step 6: Final answer
    x = 6,761.89

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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.