Home / 7,507.36-10,348.77-4,985.02

Finding the Fourth Proportional to 7,507.36, 10,348.77 and 4,985.02

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Solution

The fourth proportional to 7,507.36, 10,348.77 and 4,985.02 is: 6,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.36 : 10,348.77 = 4,985.02 : x
  2. Step 2: Convert to fraction form
    7,507.36/10,348.77 = 4,985.02/x
  3. Step 3: Cross multiply
    7,507.36x = 10,348.77 × 4,985.02
  4. Step 4: Simplify right side
    7,507.36x = 51,588,825.43
  5. Step 5: Solve for x
    x = 51,588,825.43/7,507.36
  6. Step 6: Final answer
    x = 6,871.77

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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.