Home / 10,158.84-13,988.03-8,892.81

Finding the Fourth Proportional to 10,158.84, 13,988.03 and 8,892.81

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Solution

The fourth proportional to 10,158.84, 13,988.03 and 8,892.81 is: 12,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.84 : 13,988.03 = 8,892.81 : x
  2. Step 2: Convert to fraction form
    10,158.84/13,988.03 = 8,892.81/x
  3. Step 3: Cross multiply
    10,158.84x = 13,988.03 × 8,892.81
  4. Step 4: Simplify right side
    10,158.84x = 124,392,848.60
  5. Step 5: Solve for x
    x = 124,392,848.60/10,158.84
  6. Step 6: Final answer
    x = 12,244.79

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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.