Home / 10,193.12-14,065.88-5,655.52

Finding the Fourth Proportional to 10,193.12, 14,065.88 and 5,655.52

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Solution

The fourth proportional to 10,193.12, 14,065.88 and 5,655.52 is: 7,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.12 : 14,065.88 = 5,655.52 : x
  2. Step 2: Convert to fraction form
    10,193.12/14,065.88 = 5,655.52/x
  3. Step 3: Cross multiply
    10,193.12x = 14,065.88 × 5,655.52
  4. Step 4: Simplify right side
    10,193.12x = 79,549,865.66
  5. Step 5: Solve for x
    x = 79,549,865.66/10,193.12
  6. Step 6: Final answer
    x = 7,804.27

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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.