Home / 10,407.51-14,363.75-5,871.11

Finding the Fourth Proportional to 10,407.51, 14,363.75 and 5,871.11

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Solution

The fourth proportional to 10,407.51, 14,363.75 and 5,871.11 is: 8,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.51 : 14,363.75 = 5,871.11 : x
  2. Step 2: Convert to fraction form
    10,407.51/14,363.75 = 5,871.11/x
  3. Step 3: Cross multiply
    10,407.51x = 14,363.75 × 5,871.11
  4. Step 4: Simplify right side
    10,407.51x = 84,331,126.91
  5. Step 5: Solve for x
    x = 84,331,126.91/10,407.51
  6. Step 6: Final answer
    x = 8,102.91

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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.