Home / 9,834.19-13,570.81-5,357.84

Finding the Fourth Proportional to 9,834.19, 13,570.81 and 5,357.84

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Solution

The fourth proportional to 9,834.19, 13,570.81 and 5,357.84 is: 7,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.19 : 13,570.81 = 5,357.84 : x
  2. Step 2: Convert to fraction form
    9,834.19/13,570.81 = 5,357.84/x
  3. Step 3: Cross multiply
    9,834.19x = 13,570.81 × 5,357.84
  4. Step 4: Simplify right side
    9,834.19x = 72,710,228.65
  5. Step 5: Solve for x
    x = 72,710,228.65/9,834.19
  6. Step 6: Final answer
    x = 7,393.62

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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.