Home / 10,153.40-14,011.64-5,677.15

Finding the Fourth Proportional to 10,153.40, 14,011.64 and 5,677.15

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Solution

The fourth proportional to 10,153.40, 14,011.64 and 5,677.15 is: 7,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.40 : 14,011.64 = 5,677.15 : x
  2. Step 2: Convert to fraction form
    10,153.40/14,011.64 = 5,677.15/x
  3. Step 3: Cross multiply
    10,153.40x = 14,011.64 × 5,677.15
  4. Step 4: Simplify right side
    10,153.40x = 79,546,187.46
  5. Step 5: Solve for x
    x = 79,546,187.46/10,153.40
  6. Step 6: Final answer
    x = 7,834.44

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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.