Home / 7,932.16-10,955.15-6,161.10

Finding the Fourth Proportional to 7,932.16, 10,955.15 and 6,161.10

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Solution

The fourth proportional to 7,932.16, 10,955.15 and 6,161.10 is: 8,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.16 : 10,955.15 = 6,161.10 : x
  2. Step 2: Convert to fraction form
    7,932.16/10,955.15 = 6,161.10/x
  3. Step 3: Cross multiply
    7,932.16x = 10,955.15 × 6,161.10
  4. Step 4: Simplify right side
    7,932.16x = 67,495,774.67
  5. Step 5: Solve for x
    x = 67,495,774.67/7,932.16
  6. Step 6: Final answer
    x = 8,509.13

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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.