Home / 10,347.86-14,279.60-5,871.51

Finding the Fourth Proportional to 10,347.86, 14,279.60 and 5,871.51

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Solution

The fourth proportional to 10,347.86, 14,279.60 and 5,871.51 is: 8,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.86 : 14,279.60 = 5,871.51 : x
  2. Step 2: Convert to fraction form
    10,347.86/14,279.60 = 5,871.51/x
  3. Step 3: Cross multiply
    10,347.86x = 14,279.60 × 5,871.51
  4. Step 4: Simplify right side
    10,347.86x = 83,842,852.52
  5. Step 5: Solve for x
    x = 83,842,852.52/10,347.86
  6. Step 6: Final answer
    x = 8,102.43

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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.