Home / 8,435.75-11,637.57-4,897.06

Finding the Fourth Proportional to 8,435.75, 11,637.57 and 4,897.06

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Solution

The fourth proportional to 8,435.75, 11,637.57 and 4,897.06 is: 6,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.75 : 11,637.57 = 4,897.06 : x
  2. Step 2: Convert to fraction form
    8,435.75/11,637.57 = 4,897.06/x
  3. Step 3: Cross multiply
    8,435.75x = 11,637.57 × 4,897.06
  4. Step 4: Simplify right side
    8,435.75x = 56,989,867.81
  5. Step 5: Solve for x
    x = 56,989,867.81/8,435.75
  6. Step 6: Final answer
    x = 6,755.76

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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.