Home / 10,416.36-14,374.47-5,636.19

Finding the Fourth Proportional to 10,416.36, 14,374.47 and 5,636.19

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Solution

The fourth proportional to 10,416.36, 14,374.47 and 5,636.19 is: 7,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.36 : 14,374.47 = 5,636.19 : x
  2. Step 2: Convert to fraction form
    10,416.36/14,374.47 = 5,636.19/x
  3. Step 3: Cross multiply
    10,416.36x = 14,374.47 × 5,636.19
  4. Step 4: Simplify right side
    10,416.36x = 81,017,276.84
  5. Step 5: Solve for x
    x = 81,017,276.84/10,416.36
  6. Step 6: Final answer
    x = 7,777.89

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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.