Home / 9,830.04-13,566.06-5,638.92

Finding the Fourth Proportional to 9,830.04, 13,566.06 and 5,638.92

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Solution

The fourth proportional to 9,830.04, 13,566.06 and 5,638.92 is: 7,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.04 : 13,566.06 = 5,638.92 : x
  2. Step 2: Convert to fraction form
    9,830.04/13,566.06 = 5,638.92/x
  3. Step 3: Cross multiply
    9,830.04x = 13,566.06 × 5,638.92
  4. Step 4: Simplify right side
    9,830.04x = 76,497,927.06
  5. Step 5: Solve for x
    x = 76,497,927.06/9,830.04
  6. Step 6: Final answer
    x = 7,782.06

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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.