Home / 10,421.63-15,632.46-3,026.11

Finding the Fourth Proportional to 10,421.63, 15,632.46 and 3,026.11

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Solution

The fourth proportional to 10,421.63, 15,632.46 and 3,026.11 is: 4,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.63 : 15,632.46 = 3,026.11 : x
  2. Step 2: Convert to fraction form
    10,421.63/15,632.46 = 3,026.11/x
  3. Step 3: Cross multiply
    10,421.63x = 15,632.46 × 3,026.11
  4. Step 4: Simplify right side
    10,421.63x = 47,305,543.53
  5. Step 5: Solve for x
    x = 47,305,543.53/10,421.63
  6. Step 6: Final answer
    x = 4,539.17

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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.