Home / 9,307.64-12,838.86-5,528.24

Finding the Fourth Proportional to 9,307.64, 12,838.86 and 5,528.24

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Solution

The fourth proportional to 9,307.64, 12,838.86 and 5,528.24 is: 7,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.64 : 12,838.86 = 5,528.24 : x
  2. Step 2: Convert to fraction form
    9,307.64/12,838.86 = 5,528.24/x
  3. Step 3: Cross multiply
    9,307.64x = 12,838.86 × 5,528.24
  4. Step 4: Simplify right side
    9,307.64x = 70,976,235.21
  5. Step 5: Solve for x
    x = 70,976,235.21/9,307.64
  6. Step 6: Final answer
    x = 7,625.59

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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.