Home / 10,085.52-13,918.28-5,548.32

Finding the Fourth Proportional to 10,085.52, 13,918.28 and 5,548.32

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Solution

The fourth proportional to 10,085.52, 13,918.28 and 5,548.32 is: 7,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.52 : 13,918.28 = 5,548.32 : x
  2. Step 2: Convert to fraction form
    10,085.52/13,918.28 = 5,548.32/x
  3. Step 3: Cross multiply
    10,085.52x = 13,918.28 × 5,548.32
  4. Step 4: Simplify right side
    10,085.52x = 77,223,102.10
  5. Step 5: Solve for x
    x = 77,223,102.10/10,085.52
  6. Step 6: Final answer
    x = 7,656.83

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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.