Home / 9,947.30-14,920.10-4,681.08

Finding the Fourth Proportional to 9,947.30, 14,920.10 and 4,681.08

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Solution

The fourth proportional to 9,947.30, 14,920.10 and 4,681.08 is: 7,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.30 : 14,920.10 = 4,681.08 : x
  2. Step 2: Convert to fraction form
    9,947.30/14,920.10 = 4,681.08/x
  3. Step 3: Cross multiply
    9,947.30x = 14,920.10 × 4,681.08
  4. Step 4: Simplify right side
    9,947.30x = 69,842,181.71
  5. Step 5: Solve for x
    x = 69,842,181.71/9,947.30
  6. Step 6: Final answer
    x = 7,021.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.