Home / 10,495.40-14,497.45-7,838.19

Finding the Fourth Proportional to 10,495.40, 14,497.45 and 7,838.19

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Solution

The fourth proportional to 10,495.40, 14,497.45 and 7,838.19 is: 10,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.40 : 14,497.45 = 7,838.19 : x
  2. Step 2: Convert to fraction form
    10,495.40/14,497.45 = 7,838.19/x
  3. Step 3: Cross multiply
    10,495.40x = 14,497.45 × 7,838.19
  4. Step 4: Simplify right side
    10,495.40x = 113,633,748.02
  5. Step 5: Solve for x
    x = 113,633,748.02/10,495.40
  6. Step 6: Final answer
    x = 10,827.01

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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.