Home / 7,254.90-10,011.60-4,111.02

Finding the Fourth Proportional to 7,254.90, 10,011.60 and 4,111.02

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Solution

The fourth proportional to 7,254.90, 10,011.60 and 4,111.02 is: 5,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.90 : 10,011.60 = 4,111.02 : x
  2. Step 2: Convert to fraction form
    7,254.90/10,011.60 = 4,111.02/x
  3. Step 3: Cross multiply
    7,254.90x = 10,011.60 × 4,111.02
  4. Step 4: Simplify right side
    7,254.90x = 41,157,887.83
  5. Step 5: Solve for x
    x = 41,157,887.83/7,254.90
  6. Step 6: Final answer
    x = 5,673.12

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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.