Home / 10,151.57-14,009.21-5,675.51

Finding the Fourth Proportional to 10,151.57, 14,009.21 and 5,675.51

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Solution

The fourth proportional to 10,151.57, 14,009.21 and 5,675.51 is: 7,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.57 : 14,009.21 = 5,675.51 : x
  2. Step 2: Convert to fraction form
    10,151.57/14,009.21 = 5,675.51/x
  3. Step 3: Cross multiply
    10,151.57x = 14,009.21 × 5,675.51
  4. Step 4: Simplify right side
    10,151.57x = 79,509,313.02
  5. Step 5: Solve for x
    x = 79,509,313.02/10,151.57
  6. Step 6: Final answer
    x = 7,832.22

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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.