Home / 12,451.34-18,682.51-6,526.81

Finding the Fourth Proportional to 12,451.34, 18,682.51 and 6,526.81

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Solution

The fourth proportional to 12,451.34, 18,682.51 and 6,526.81 is: 9,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.34 : 18,682.51 = 6,526.81 : x
  2. Step 2: Convert to fraction form
    12,451.34/18,682.51 = 6,526.81/x
  3. Step 3: Cross multiply
    12,451.34x = 18,682.51 × 6,526.81
  4. Step 4: Simplify right side
    12,451.34x = 121,937,130.07
  5. Step 5: Solve for x
    x = 121,937,130.07/12,451.34
  6. Step 6: Final answer
    x = 9,793.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.