Home / 8,948.93-12,349.59-4,970.10

Finding the Fourth Proportional to 8,948.93, 12,349.59 and 4,970.10

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Solution

The fourth proportional to 8,948.93, 12,349.59 and 4,970.10 is: 6,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.93 : 12,349.59 = 4,970.10 : x
  2. Step 2: Convert to fraction form
    8,948.93/12,349.59 = 4,970.10/x
  3. Step 3: Cross multiply
    8,948.93x = 12,349.59 × 4,970.10
  4. Step 4: Simplify right side
    8,948.93x = 61,378,697.26
  5. Step 5: Solve for x
    x = 61,378,697.26/8,948.93
  6. Step 6: Final answer
    x = 6,858.78

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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.