Home / 10,035.55-13,842.79-6,455.17

Finding the Fourth Proportional to 10,035.55, 13,842.79 and 6,455.17

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Solution

The fourth proportional to 10,035.55, 13,842.79 and 6,455.17 is: 8,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.55 : 13,842.79 = 6,455.17 : x
  2. Step 2: Convert to fraction form
    10,035.55/13,842.79 = 6,455.17/x
  3. Step 3: Cross multiply
    10,035.55x = 13,842.79 × 6,455.17
  4. Step 4: Simplify right side
    10,035.55x = 89,357,461.23
  5. Step 5: Solve for x
    x = 89,357,461.23/10,035.55
  6. Step 6: Final answer
    x = 8,904.10

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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.