Home / 10,431.19-14,392.70-5,953.51

Finding the Fourth Proportional to 10,431.19, 14,392.70 and 5,953.51

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Solution

The fourth proportional to 10,431.19, 14,392.70 and 5,953.51 is: 8,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.19 : 14,392.70 = 5,953.51 : x
  2. Step 2: Convert to fraction form
    10,431.19/14,392.70 = 5,953.51/x
  3. Step 3: Cross multiply
    10,431.19x = 14,392.70 × 5,953.51
  4. Step 4: Simplify right side
    10,431.19x = 85,687,011.41
  5. Step 5: Solve for x
    x = 85,687,011.41/10,431.19
  6. Step 6: Final answer
    x = 8,214.50

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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.