Home / 10,130.14-13,980.63-5,939.74

Finding the Fourth Proportional to 10,130.14, 13,980.63 and 5,939.74

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Solution

The fourth proportional to 10,130.14, 13,980.63 and 5,939.74 is: 8,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.14 : 13,980.63 = 5,939.74 : x
  2. Step 2: Convert to fraction form
    10,130.14/13,980.63 = 5,939.74/x
  3. Step 3: Cross multiply
    10,130.14x = 13,980.63 × 5,939.74
  4. Step 4: Simplify right side
    10,130.14x = 83,041,307.24
  5. Step 5: Solve for x
    x = 83,041,307.24/10,130.14
  6. Step 6: Final answer
    x = 8,197.45

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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.