Home / 10,113.10-13,946.69-6,931.01

Finding the Fourth Proportional to 10,113.10, 13,946.69 and 6,931.01

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Solution

The fourth proportional to 10,113.10, 13,946.69 and 6,931.01 is: 9,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.10 : 13,946.69 = 6,931.01 : x
  2. Step 2: Convert to fraction form
    10,113.10/13,946.69 = 6,931.01/x
  3. Step 3: Cross multiply
    10,113.10x = 13,946.69 × 6,931.01
  4. Step 4: Simplify right side
    10,113.10x = 96,664,700.05
  5. Step 5: Solve for x
    x = 96,664,700.05/10,113.10
  6. Step 6: Final answer
    x = 9,558.37

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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.