Home / 7,001.10-9,663.15-4,908.30

Finding the Fourth Proportional to 7,001.10, 9,663.15 and 4,908.30

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Solution

The fourth proportional to 7,001.10, 9,663.15 and 4,908.30 is: 6,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.10 : 9,663.15 = 4,908.30 : x
  2. Step 2: Convert to fraction form
    7,001.10/9,663.15 = 4,908.30/x
  3. Step 3: Cross multiply
    7,001.10x = 9,663.15 × 4,908.30
  4. Step 4: Simplify right side
    7,001.10x = 47,429,639.15
  5. Step 5: Solve for x
    x = 47,429,639.15/7,001.10
  6. Step 6: Final answer
    x = 6,774.60

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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.