Home / 9,833.61-13,570.50-5,357.40

Finding the Fourth Proportional to 9,833.61, 13,570.50 and 5,357.40

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Solution

The fourth proportional to 9,833.61, 13,570.50 and 5,357.40 is: 7,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,833.61 : 13,570.50 = 5,357.40 : x
  2. Step 2: Convert to fraction form
    9,833.61/13,570.50 = 5,357.40/x
  3. Step 3: Cross multiply
    9,833.61x = 13,570.50 × 5,357.40
  4. Step 4: Simplify right side
    9,833.61x = 72,702,596.70
  5. Step 5: Solve for x
    x = 72,702,596.70/9,833.61
  6. Step 6: Final answer
    x = 7,393.28

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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.