Home / 7,421.51-10,242.49-4,732.82

Finding the Fourth Proportional to 7,421.51, 10,242.49 and 4,732.82

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Solution

The fourth proportional to 7,421.51, 10,242.49 and 4,732.82 is: 6,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.51 : 10,242.49 = 4,732.82 : x
  2. Step 2: Convert to fraction form
    7,421.51/10,242.49 = 4,732.82/x
  3. Step 3: Cross multiply
    7,421.51x = 10,242.49 × 4,732.82
  4. Step 4: Simplify right side
    7,421.51x = 48,475,861.52
  5. Step 5: Solve for x
    x = 48,475,861.52/7,421.51
  6. Step 6: Final answer
    x = 6,531.81

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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.