Home / 9,987.39-14,966.94-5,547.03

Finding the Fourth Proportional to 9,987.39, 14,966.94 and 5,547.03

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Solution

The fourth proportional to 9,987.39, 14,966.94 and 5,547.03 is: 8,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.39 : 14,966.94 = 5,547.03 : x
  2. Step 2: Convert to fraction form
    9,987.39/14,966.94 = 5,547.03/x
  3. Step 3: Cross multiply
    9,987.39x = 14,966.94 × 5,547.03
  4. Step 4: Simplify right side
    9,987.39x = 83,022,065.19
  5. Step 5: Solve for x
    x = 83,022,065.19/9,987.39
  6. Step 6: Final answer
    x = 8,312.69

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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.