Home / 9,203.12-12,700.32-5,011.36

Finding the Fourth Proportional to 9,203.12, 12,700.32 and 5,011.36

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Solution

The fourth proportional to 9,203.12, 12,700.32 and 5,011.36 is: 6,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.12 : 12,700.32 = 5,011.36 : x
  2. Step 2: Convert to fraction form
    9,203.12/12,700.32 = 5,011.36/x
  3. Step 3: Cross multiply
    9,203.12x = 12,700.32 × 5,011.36
  4. Step 4: Simplify right side
    9,203.12x = 63,645,875.64
  5. Step 5: Solve for x
    x = 63,645,875.64/9,203.12
  6. Step 6: Final answer
    x = 6,915.68

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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.