Home / 7,985.75-11,009.60-5,592.50

Finding the Fourth Proportional to 7,985.75, 11,009.60 and 5,592.50

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Solution

The fourth proportional to 7,985.75, 11,009.60 and 5,592.50 is: 7,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.75 : 11,009.60 = 5,592.50 : x
  2. Step 2: Convert to fraction form
    7,985.75/11,009.60 = 5,592.50/x
  3. Step 3: Cross multiply
    7,985.75x = 11,009.60 × 5,592.50
  4. Step 4: Simplify right side
    7,985.75x = 61,571,187.56
  5. Step 5: Solve for x
    x = 61,571,187.56/7,985.75
  6. Step 6: Final answer
    x = 7,710.13

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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.