Home / 10,130.04-13,980.78-5,938.68

Finding the Fourth Proportional to 10,130.04, 13,980.78 and 5,938.68

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Solution

The fourth proportional to 10,130.04, 13,980.78 and 5,938.68 is: 8,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.04 : 13,980.78 = 5,938.68 : x
  2. Step 2: Convert to fraction form
    10,130.04/13,980.78 = 5,938.68/x
  3. Step 3: Cross multiply
    10,130.04x = 13,980.78 × 5,938.68
  4. Step 4: Simplify right side
    10,130.04x = 83,027,378.57
  5. Step 5: Solve for x
    x = 83,027,378.57/10,130.04
  6. Step 6: Final answer
    x = 8,196.16

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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.