Home / 10,117.17-15,075.18-9,013.05

Finding the Fourth Proportional to 10,117.17, 15,075.18 and 9,013.05

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Solution

The fourth proportional to 10,117.17, 15,075.18 and 9,013.05 is: 13,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.17 : 15,075.18 = 9,013.05 : x
  2. Step 2: Convert to fraction form
    10,117.17/15,075.18 = 9,013.05/x
  3. Step 3: Cross multiply
    10,117.17x = 15,075.18 × 9,013.05
  4. Step 4: Simplify right side
    10,117.17x = 135,873,351.10
  5. Step 5: Solve for x
    x = 135,873,351.10/10,117.17
  6. Step 6: Final answer
    x = 13,429.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.