Home / 10,055.59-13,877.03-5,579.67

Finding the Fourth Proportional to 10,055.59, 13,877.03 and 5,579.67

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Solution

The fourth proportional to 10,055.59, 13,877.03 and 5,579.67 is: 7,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.59 : 13,877.03 = 5,579.67 : x
  2. Step 2: Convert to fraction form
    10,055.59/13,877.03 = 5,579.67/x
  3. Step 3: Cross multiply
    10,055.59x = 13,877.03 × 5,579.67
  4. Step 4: Simplify right side
    10,055.59x = 77,429,223.08
  5. Step 5: Solve for x
    x = 77,429,223.08/10,055.59
  6. Step 6: Final answer
    x = 7,700.12

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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.