Home / 10,820.13-14,932.47-6,342.27

Finding the Fourth Proportional to 10,820.13, 14,932.47 and 6,342.27

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Solution

The fourth proportional to 10,820.13, 14,932.47 and 6,342.27 is: 8,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.13 : 14,932.47 = 6,342.27 : x
  2. Step 2: Convert to fraction form
    10,820.13/14,932.47 = 6,342.27/x
  3. Step 3: Cross multiply
    10,820.13x = 14,932.47 × 6,342.27
  4. Step 4: Simplify right side
    10,820.13x = 94,705,756.51
  5. Step 5: Solve for x
    x = 94,705,756.51/10,820.13
  6. Step 6: Final answer
    x = 8,752.74

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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.