Home / 9,985.32-13,779.36-5,733.48

Finding the Fourth Proportional to 9,985.32, 13,779.36 and 5,733.48

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Solution

The fourth proportional to 9,985.32, 13,779.36 and 5,733.48 is: 7,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.32 : 13,779.36 = 5,733.48 : x
  2. Step 2: Convert to fraction form
    9,985.32/13,779.36 = 5,733.48/x
  3. Step 3: Cross multiply
    9,985.32x = 13,779.36 × 5,733.48
  4. Step 4: Simplify right side
    9,985.32x = 79,003,684.97
  5. Step 5: Solve for x
    x = 79,003,684.97/9,985.32
  6. Step 6: Final answer
    x = 7,911.98

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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.