Home / 10,712.51-16,068.15-2,815.01

Finding the Fourth Proportional to 10,712.51, 16,068.15 and 2,815.01

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Solution

The fourth proportional to 10,712.51, 16,068.15 and 2,815.01 is: 4,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.51 : 16,068.15 = 2,815.01 : x
  2. Step 2: Convert to fraction form
    10,712.51/16,068.15 = 2,815.01/x
  3. Step 3: Cross multiply
    10,712.51x = 16,068.15 × 2,815.01
  4. Step 4: Simplify right side
    10,712.51x = 45,232,002.93
  5. Step 5: Solve for x
    x = 45,232,002.93/10,712.51
  6. Step 6: Final answer
    x = 4,222.35

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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.