Home / 10,652.51-14,700.43-6,178.86

Finding the Fourth Proportional to 10,652.51, 14,700.43 and 6,178.86

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Solution

The fourth proportional to 10,652.51, 14,700.43 and 6,178.86 is: 8,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.51 : 14,700.43 = 6,178.86 : x
  2. Step 2: Convert to fraction form
    10,652.51/14,700.43 = 6,178.86/x
  3. Step 3: Cross multiply
    10,652.51x = 14,700.43 × 6,178.86
  4. Step 4: Simplify right side
    10,652.51x = 90,831,898.91
  5. Step 5: Solve for x
    x = 90,831,898.91/10,652.51
  6. Step 6: Final answer
    x = 8,526.81

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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.