Home / 10,935.61-15,090.84-6,156.07

Finding the Fourth Proportional to 10,935.61, 15,090.84 and 6,156.07

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Solution

The fourth proportional to 10,935.61, 15,090.84 and 6,156.07 is: 8,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.61 : 15,090.84 = 6,156.07 : x
  2. Step 2: Convert to fraction form
    10,935.61/15,090.84 = 6,156.07/x
  3. Step 3: Cross multiply
    10,935.61x = 15,090.84 × 6,156.07
  4. Step 4: Simplify right side
    10,935.61x = 92,900,267.40
  5. Step 5: Solve for x
    x = 92,900,267.40/10,935.61
  6. Step 6: Final answer
    x = 8,495.21

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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.