Home / 9,853.12-13,595.88-5,660.56

Finding the Fourth Proportional to 9,853.12, 13,595.88 and 5,660.56

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Solution

The fourth proportional to 9,853.12, 13,595.88 and 5,660.56 is: 7,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.12 : 13,595.88 = 5,660.56 : x
  2. Step 2: Convert to fraction form
    9,853.12/13,595.88 = 5,660.56/x
  3. Step 3: Cross multiply
    9,853.12x = 13,595.88 × 5,660.56
  4. Step 4: Simplify right side
    9,853.12x = 76,960,294.49
  5. Step 5: Solve for x
    x = 76,960,294.49/9,853.12
  6. Step 6: Final answer
    x = 7,810.75

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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.