Home / 10,471.51-15,712.39-4,925.41

Finding the Fourth Proportional to 10,471.51, 15,712.39 and 4,925.41

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Solution

The fourth proportional to 10,471.51, 15,712.39 and 4,925.41 is: 7,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.51 : 15,712.39 = 4,925.41 : x
  2. Step 2: Convert to fraction form
    10,471.51/15,712.39 = 4,925.41/x
  3. Step 3: Cross multiply
    10,471.51x = 15,712.39 × 4,925.41
  4. Step 4: Simplify right side
    10,471.51x = 77,390,018.09
  5. Step 5: Solve for x
    x = 77,390,018.09/10,471.51
  6. Step 6: Final answer
    x = 7,390.53

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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.