Home / 10,261.59-14,160.81-5,785.35

Finding the Fourth Proportional to 10,261.59, 14,160.81 and 5,785.35

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Solution

The fourth proportional to 10,261.59, 14,160.81 and 5,785.35 is: 7,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.59 : 14,160.81 = 5,785.35 : x
  2. Step 2: Convert to fraction form
    10,261.59/14,160.81 = 5,785.35/x
  3. Step 3: Cross multiply
    10,261.59x = 14,160.81 × 5,785.35
  4. Step 4: Simplify right side
    10,261.59x = 81,925,242.13
  5. Step 5: Solve for x
    x = 81,925,242.13/10,261.59
  6. Step 6: Final answer
    x = 7,983.68

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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.