Home / 10,381.77-14,325.57-5,904.63

Finding the Fourth Proportional to 10,381.77, 14,325.57 and 5,904.63

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Solution

The fourth proportional to 10,381.77, 14,325.57 and 5,904.63 is: 8,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.77 : 14,325.57 = 5,904.63 : x
  2. Step 2: Convert to fraction form
    10,381.77/14,325.57 = 5,904.63/x
  3. Step 3: Cross multiply
    10,381.77x = 14,325.57 × 5,904.63
  4. Step 4: Simplify right side
    10,381.77x = 84,587,190.39
  5. Step 5: Solve for x
    x = 84,587,190.39/10,381.77
  6. Step 6: Final answer
    x = 8,147.67

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Double scale
Find fourth proportional to 10,382.77, 14,326.95 and 5,905.63
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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.