Home / 9,985.36-13,779.84-5,793.52

Finding the Fourth Proportional to 9,985.36, 13,779.84 and 5,793.52

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Solution

The fourth proportional to 9,985.36, 13,779.84 and 5,793.52 is: 7,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.36 : 13,779.84 = 5,793.52 : x
  2. Step 2: Convert to fraction form
    9,985.36/13,779.84 = 5,793.52/x
  3. Step 3: Cross multiply
    9,985.36x = 13,779.84 × 5,793.52
  4. Step 4: Simplify right side
    9,985.36x = 79,833,778.64
  5. Step 5: Solve for x
    x = 79,833,778.64/9,985.36
  6. Step 6: Final answer
    x = 7,995.08

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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.