Home / 9,312.34-12,849.95-5,333.21

Finding the Fourth Proportional to 9,312.34, 12,849.95 and 5,333.21

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Solution

The fourth proportional to 9,312.34, 12,849.95 and 5,333.21 is: 7,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.34 : 12,849.95 = 5,333.21 : x
  2. Step 2: Convert to fraction form
    9,312.34/12,849.95 = 5,333.21/x
  3. Step 3: Cross multiply
    9,312.34x = 12,849.95 × 5,333.21
  4. Step 4: Simplify right side
    9,312.34x = 68,531,455.17
  5. Step 5: Solve for x
    x = 68,531,455.17/9,312.34
  6. Step 6: Final answer
    x = 7,359.21

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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.