Home / 10,316.90-14,237.28-5,601.20

Finding the Fourth Proportional to 10,316.90, 14,237.28 and 5,601.20

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Solution

The fourth proportional to 10,316.90, 14,237.28 and 5,601.20 is: 7,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.90 : 14,237.28 = 5,601.20 : x
  2. Step 2: Convert to fraction form
    10,316.90/14,237.28 = 5,601.20/x
  3. Step 3: Cross multiply
    10,316.90x = 14,237.28 × 5,601.20
  4. Step 4: Simplify right side
    10,316.90x = 79,745,852.74
  5. Step 5: Solve for x
    x = 79,745,852.74/10,316.90
  6. Step 6: Final answer
    x = 7,729.63

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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.