Home / 10,877.79-16,322.84-4,637.15

Finding the Fourth Proportional to 10,877.79, 16,322.84 and 4,637.15

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Solution

The fourth proportional to 10,877.79, 16,322.84 and 4,637.15 is: 6,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.79 : 16,322.84 = 4,637.15 : x
  2. Step 2: Convert to fraction form
    10,877.79/16,322.84 = 4,637.15/x
  3. Step 3: Cross multiply
    10,877.79x = 16,322.84 × 4,637.15
  4. Step 4: Simplify right side
    10,877.79x = 75,691,457.51
  5. Step 5: Solve for x
    x = 75,691,457.51/10,877.79
  6. Step 6: Final answer
    x = 6,958.35

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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.