Home / 10,381.24-14,326.14-6,189.40

Finding the Fourth Proportional to 10,381.24, 14,326.14 and 6,189.40

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Solution

The fourth proportional to 10,381.24, 14,326.14 and 6,189.40 is: 8,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.24 : 14,326.14 = 6,189.40 : x
  2. Step 2: Convert to fraction form
    10,381.24/14,326.14 = 6,189.40/x
  3. Step 3: Cross multiply
    10,381.24x = 14,326.14 × 6,189.40
  4. Step 4: Simplify right side
    10,381.24x = 88,670,210.92
  5. Step 5: Solve for x
    x = 88,670,210.92/10,381.24
  6. Step 6: Final answer
    x = 8,541.39

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Half scale
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Double scale
Find fourth proportional to 10,382.24, 14,327.52 and 6,190.40
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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.