Home / 7,998.51-11,038.28-4,461.72

Finding the Fourth Proportional to 7,998.51, 11,038.28 and 4,461.72

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Solution

The fourth proportional to 7,998.51, 11,038.28 and 4,461.72 is: 6,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.51 : 11,038.28 = 4,461.72 : x
  2. Step 2: Convert to fraction form
    7,998.51/11,038.28 = 4,461.72/x
  3. Step 3: Cross multiply
    7,998.51x = 11,038.28 × 4,461.72
  4. Step 4: Simplify right side
    7,998.51x = 49,249,725.80
  5. Step 5: Solve for x
    x = 49,249,725.80/7,998.51
  6. Step 6: Final answer
    x = 6,157.36

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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.