Home / 10,372.19-14,313.59-5,656.51

Finding the Fourth Proportional to 10,372.19, 14,313.59 and 5,656.51

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Solution

The fourth proportional to 10,372.19, 14,313.59 and 5,656.51 is: 7,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.19 : 14,313.59 = 5,656.51 : x
  2. Step 2: Convert to fraction form
    10,372.19/14,313.59 = 5,656.51/x
  3. Step 3: Cross multiply
    10,372.19x = 14,313.59 × 5,656.51
  4. Step 4: Simplify right side
    10,372.19x = 80,964,893.40
  5. Step 5: Solve for x
    x = 80,964,893.40/10,372.19
  6. Step 6: Final answer
    x = 7,805.96

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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.