Home / 9,824.04-13,557.16-5,347.78

Finding the Fourth Proportional to 9,824.04, 13,557.16 and 5,347.78

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Solution

The fourth proportional to 9,824.04, 13,557.16 and 5,347.78 is: 7,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824.04 : 13,557.16 = 5,347.78 : x
  2. Step 2: Convert to fraction form
    9,824.04/13,557.16 = 5,347.78/x
  3. Step 3: Cross multiply
    9,824.04x = 13,557.16 × 5,347.78
  4. Step 4: Simplify right side
    9,824.04x = 72,500,709.10
  5. Step 5: Solve for x
    x = 72,500,709.10/9,824.04
  6. Step 6: Final answer
    x = 7,379.93

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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.